PLEASE I NEED YALL HELP ITS DUE TODAY!!!!!!!!!!!! ill give brainliest
a sample of 14 high school seniors are asked, ḧow many hours a week do you work? their responses are below
0 0 0 8 8 10 12 13 15 15 17 20 22 56
A. find the mean and median of the data
B. which measure of center better describes the typical number of hours the seniors work per week? explain.
Answers
a)0 0 0 8 8 10 12 13 15 15 17 20 22 56
median= (12+13)/2 =12.5
mean=14
b) the median due to 56 being a clear outliar that skews the average right (basically increase the average to not be representative of data set)
A. 14 and 12.5
B. I'm not sure what it's asking... Could you elaborate?
Related Questions
How does he use trees as an example of a sociological concept? From the forest and the trees
Answers
He compares interactions between people by using trees as a metaphor. The trees are a perfect illustration of how the communal and the individual are both crucial.
What is a sociological concept?The fundamental tenet of sociology is that social interaction within groups and the groups to which individuals belong have a significant influence on how people behave. Sociology is primarily concerned with the collective rather than the individual.
The interaction between people—the manner in which individuals behave in response to and influence one another—is of primary interest to sociologists. Sociology is distinguished by its subject and method of approaching phenomena (the method of science) (human interaction).
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A medical researcher measured the pulse rates (beats per minute) of a sample of randomly selected adults and found the following Student's t-based confidence interval: With % Confidence, (Pulse) a) Explain carefully what the software output means. b) What's the margin of error for this interval? c) If the researcher had calculated a % confidence interval, would the margin of error be larger or smaller?
Answers
The software output implies that the researcher is 95 percent confident that the interval given regarding the beats per minute contains the true mean heart of the adults.
From the complete information, the margin of error will be calculated as:
= (Upper limit - Lower limit) / 2
where,
Upper limit = 73.325706
Lower limit = 68.509306
= (73.325706 - 68.509306) / 2
= 4.8164 / 2
= 2.4082
Also, it should be noted that in a situation where there is an increase in the confidence interval, this will lead to an increase in the margin of error.
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You must investigate the uncertainty that arises during the preparation of three standard solutions (0.1g/L, 0.05 g/L and 0.01 g/L) based on a stock solution. The stock solution is prepared by dissolving 1.0 +/- 0.01 g of substance in a 1000 +/- 0.4 ml volumetric flask. The standard solutions are prepared by adding x +/- 0.1 ml stock solution (x is the volume you need) to a 100 +/- 0.1 ml volumetric flask, then top up with water to the mark.
a) Calculate the relative uncertainty in concentration for the three standard solutions. Hint calculate ey/y.
b) Calculate the absolute uncertainty in concentration for the three standard solutions. Hint calculate ey.
Answers
For the 0.1 g/L solution:
- Nominal value of concentration (y) = 0.1 g/L
- Absolute uncertainty (ey) = (0.01 g / 1.0 g) * 1000 mL = 0.1 mL
- Relative uncertainty (ey/y) = (0.1 mL / 100 mL) * 100% = 0.1%
For the 0.05 g/L solution:
- Nominal value of concentration (y) = 0.05 g/L
- Absolute uncertainty (ey) = (0.01 g / 1.0 g) * x mL + (0.4 mL / 1000 mL) * 100 mL = 0.01x + 0.004 mL
- Relative uncertainty (ey/y) = (0.01x + 0.004 mL) / (0.05 g/L * 100 mL) * 100%
For the 0.01 g/L solution:
- Nominal value of concentration (y) = 0.01 g/L
- Absolute uncertainty (ey) = (0.01 g / 1.0 g) * x mL + (0.4 mL / 1000 mL) * 100 mL = 0.01x + 0.004 mL
- Relative uncertainty (ey/y) = (0.01x + 0.004 mL) / (0.01 g/L * 100 mL) * 100%
b) The absolute uncertainty in concentration for the three standard solutions can be calculated using the formula ey, where ey is the absolute uncertainty.
For the 0.1 g/L solution:
- Absolute uncertainty (ey) = (0.01 g / 1.0 g) * 1000 mL = 0.1 mL
For the 0.05 g/L solution:
- Absolute uncertainty (ey) = (0.01 g / 1.0 g) * x mL + (0.4 mL / 1000 mL) * 100 mL = 0.01x + 0.4 mL
For the 0.01 g/L solution:
- Absolute uncertainty (ey) = (0.01
Complete the chart to find equivalent forms. (9 marks)
RATIO
FRACTION
DECIMAL
PERCENT
5:10
5/10
0.50
50%
2:5
2/5
0.40
40%
0.36
Answers
Answer:
i AM MAD
Explanation:
BECUSE I ANSWER EDVERYBODYS QUESTIONS AND NOBODY SAYS THANK U
Help !! I need to find the answer to this question asap!!
Answers
Answer: 105°
Explanation:
The sum of the total angle in this quadrilateral (a shape with 4 angles) will be 360°.
Now we have to add the angles given together with x to get the value of x. This will be:
45° + x° + x° + x° = 360°
45° + 3x = 360°
3x = 360° - 45°
3x = 315°
x = 315° / 3
x = 105°
To what extent are communities benefiting from the various legislations put in place to ensure safe and healthy living environments in South Africa? ocial
Answers
The degree of benefit that South African communities are deriving from laws aimed at guaranteeing secure and salubrious living conditions is not uniform.
How can this be explained?Although these laws have the ability to create a beneficial effect, hurdles still exist with regards to their execution and adherence.
The complete realization of the advantages of a particular thing may be impeded by various factors like scarcity of resources, corruption, and disparity. Nevertheless, certain communities have undoubtedly observed advancements in critical aspects such as the availability of safe drinking water, hygienic facilities, and habitation, all of which augment the overall well-being of its inhabitants.
Persistent action is necessary to tackle prevailing disparities and ensure fair allocation of these advantages among all populations.
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Bob has 4 dollars more then Lisa Does. If Lisa has X dollars how much would bob have if he doubled his money
A) x+4
B)2x
C)2x+4
D)2x+8
Answers
Answer:
The answer is d
Explanation:
how many movements can i make from a 30 squared rectangle if i can only move right and down?
Answers
1) Analyse the setting. How are Sudan and London
contrasted and perceived by Majdi
Answers
the setting is umm oh also can you please go check my answer
Use the drop-down tool to select the best answer.
You must renew your certificate or license
it expires.
To renew your certificate or license you may need to earn
.
Answers
You must renew your certificate or license before it expires. To renew your certificate or license you may need to earn Continuing Education Units (CEU).
What is a license?In Computer technology, a license is also referred to as a certificate and it can be defined as an authorization that is typically issued by state governments to an agent, broker, or student, in order to avail him or her the legal ability to physically and virtually represent either a home seller or buyer and the issuing institution.
Generally speaking, a certificate or license holder must renew his or her certificate or license before its expiration. In this context, we can reasonably infer and logically deduce that a certificate or license holder may need to earn Continuing Education Units (CEU) in order to renew a certificate or license.
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A small company that prints custom t-shirts has 6 employees, one of whom is the owner and
manager. Suppose the owner makes $120,000 per year and the other employees make
between $40,000 and $50,000 per year. One day, the owner decides to give himself a
$30,000 raise. Which of the following describes how the company's mean and median
salaries would change?
(a) The mean and median would both increase by $5,000.
(b) The mean would increase by $5,000 and the median would not change
(c) The mean would increase by S6,000 and the median would not change
(d) The median would increase by $6,000 and the mean would not change.
(e) The mean would increase by $6,000, but we cannot determine the change in the median
without more information
Answers
Answer: (b) The mean would increase by $5,000 and the median would not change
Explanation: my teach went over it with me ion know to explain it doe i’m in stats but i just sit there.... sorry
The company's mean and median salaries would change, as the mean would increase by $5,000 and the median would not change. The correct option is (b.)
What is the mean and median?
A data set's mean (average) is calculated by summing all of the numbers in the set, then dividing by the total number of values in the set. When data collection is ranked from least to greatest, the median is the midpoint.
The number that appears most frequently in a data set is called the mode. In an ordered data set, the median is the value in the middle. The mean is calculated by dividing the sum of all values by the total number of values.
The changed mean = Mean + ($30000/6) = Mean + $5,000
The owner's income is the highest among all 6 employees, Hence the Median would be the same after raising $30,000 for the owner.
Therefore, the correct option is (b) The mean would increase by $5,000 and the median would not change.
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2. Lisa Newton argues that reverse discrimination for strong affirmative action) is unjustified. Which of
the following is included in her particular argument?
A. That strong affirmative action hurts the very people it's designed to help by creating "tokens".
B. That strong affirmative action leads to unqualified people in positions of authority
C. That strong affirmative action can only be defended by an appeal to equality
D. All of the above.
Answers
Answer:
apples
Explanation:
big apples nocked him out
According to the notion, businesses frequently elevate their least qualified workers to management positions. Since they are more likely to make mistakes, they do this to limit the harm they might cause. Thus, option B is correct.
What leads to affirmative action in positions of authority?Giving preference to minority and female candidates who are less qualified than others constitutes a strong affirmative action, typically in the context of a job, an educational opportunity, or some other advantage.
Positive actions done to improve the presence of women and minorities in fields of employment, education, and culture from which they have historically been excluded are referred to as affirmative action.
Therefore, companies avoid placing them in roles that require them to perform actual, practical work.Many state educational institutions today use strict affirmative action in the academic community.
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Underline the predicate and determine its type
A)Caroline was getting dinner ready in the kitchen
B)He must stop making up excuses
Answers
Kitchen and Excuses are predicate. In linguistics and its subfields, the word "predicate" is used in one of two contexts.
The first regards a predicate as only the main content verb or accompanying predicative expression of a clause, while the second sees it as everything in a conventional declarative sentence other than the subject.
As a result, the predicate of the statement Frank likes cake is loves cake according to the first definition. According to the second meaning, the same sentence's predicate is only the content verb "likes," with Frank and cake serving as the predicate's arguments.
The predicate gives details about the subject, including who or what it is, what it is doing, and how it behaves. A nexus is a relationship between a subject and its predicate.
Thus, Kitchen and Excuses are predicate. In linguistics and its subfields, the word "predicate" is used in one of two contexts.
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Plzz help!!!!! I am not good at science!!!
Answers
An automobile manufacturer claims that their jeep has a 55.8 miles/gallon (MPG) rating. An independent testing firm has been contracted to test
the MPG for this jeep. After testing 220 jeeps they found a mean MPG of 55.9. Assume the variance is known to be 4.41. Is there sufficient evidence
at the 0.02 level that the jeeps outperform the manufacturer's MPG rating?
Step 2 of 5: Enter the value of the z test statistic.
Answers
The value of the z-test statistic is 1. There is not sufficient evidence at the 0.02 level that the jeeps outperform the manufacturer's MPG rating.
To determine whether there is sufficient evidence at the 0.02 level that the jeeps outperform the manufacturer's MPG rating, we need to perform a hypothesis test.
In this case, our null hypothesis is that the jeeps do not outperform the manufacturer's MPG rating, and our alternative hypothesis is that the jeeps do outperform the manufacturer's MPG rating. We can use a one-sample z-test to test this hypothesis.
To perform the z-test, we need to calculate the z-test statistic, which is given by the following formula:
z = (mean - population mean) / (standard deviation/√ (sample size))
In this case, the sample mean is 55.9, the population means is 55.8, the standard deviation is 2.09, and the sample size is 220. Plugging these values into the formula above, we get:
z = (55.9 - 55.8) / (2.09 / √(220))
z = 0.05 / 0.05
z = 1
Therefore, the value of the z-test statistic is 1.
Next, we need to find the critical value for the z-test at the 0.02 level. We can use a z-table or a z-score calculator to find the critical value. For a one-tailed test at the 0.02 level, the critical value is 2.33.
Since the z-test statistic is less than the critical value, we cannot reject the null hypothesis at the 0.02 level. Therefore, there is not sufficient evidence at the 0.02 level that the jeeps outperform the manufacturer's MPG rating.
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can i have same bl 5555
Answers
Answer:
OMG YES
Explanation:
Instead of drilling in the caribou habitat, what does the author propose as an alternative?
a.
Importing more foreign oil
c.
Drilling somewhere else
b.
Moving the caribou
d.
Using less oil
Answers
Riddle: Daddy issues
How can you physically stand behind your father while he is standing behind you?
Answers
Answer:
standing back to back.
Explanation:
If the word buccaneer were added to this dictionary,
between what two words would it go?
Answers
Without understanding the exact content, context or scope of the dictionary that you're talking about, it is challenging to determine the exact position of the word "buccaneer." However, using simple logic, as per the alphabetical order, the word "buccaneer" can likely be positioned between the words based on the order of their starting alphabets.
For example, if the words "bubble" and "bucket" are already present in that particular dictionary, the word "buccaneer" can be placed between them, and it would follow "bubble" and precede "bucket".
The precise positioning of "buccaneer" would rely on the words that are already there in the dictionary and the sorting rules used by the publisher which can include (and not be limited to)- the consideration of spaces, special characters, capitalization, etc.
Here's some relevant information about the dictionary that you can read-
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Is water wet...........
Answers
Answer:
yah
what kinda questions is this
Answer: Water isn't wet by itself, but it makes other materials wet when it sticks to the surface.
Explanation:
Liquid water is not itself wet but can make other solid materials wet. Wetness is the ability of a liquid to adhere to the surface of a solid, so when we say that something is wet, we mean that the liquid is sticking to the surface of a material. Cohesive forces are also responsible for surface tension.
Hope This Helps!
#\(AnimePower\)
Consider a data set of 15 distinct measurements with mean A and median B , if the highest number were increased , what would be the effect on the median and mean?
Answers
Answer:
Mean would increase, median will stay the same.
Explanation:
If the highest numbers were to be increased, than the mean (average), would also increase, because you will be dividing a larger number into 15 parts.
However the median (middle number in a data set), will stay the same because if only the top few numbers get their value increased the middle value will still be the same.
what two elements must be present in a contract to achieve complete agreement, referred to as a meeting of the minds ?
Answers
Answer: 4 days ago this was eee
Explanation:
Give three examples when people take out a loan or use credit
Answers
Answer:
Explanation:
1) When buying a house
2) When getting higher education
3) When starting a new business
Here is a data set summarized as a stem-and-leaf plot: 4# | 00033455677 5# | 0001233445667788 6# | 04456 7# | 388 How many data values are in this data set? How many of the original values are greater than 60? Answer =
Answers
Answer:any anwser choices
Explanation:
the square of number is 12 more than the number.Find the number.
Answers
Translate the problem into an equation:
x
2
=
x
+
12
Solve the quadratic equation:
x
2
−
x
−
12
=
0
Try factoring. If this does not work, we can use the quadratic formula:
(
x
+
3
)
(
x
−
4
)
=
0
x
=
−
3
or
x
=
4
Throw out the negative result:
x
=
4
Answer: Translate the problem into an equation, and solve to find that the number is 4.
Explanation: Translate the problem into an equation: x2=x+12.
Select the correct answer from each drop-down menu.
Photosynthesis is a process in which plants prepare food using carbon dioxide, chlorophyll, and water in the presence of sunlight.
During photosynthesis,
energy is transformed into
energy.
Answers
Note that the complete sentence is given as follows:
Photosynthesis is a process in which plants prepare food using carbon dioxide, chlorophyll, and water in the presence of sunlight.
During photosynthesis, light energy is transformed into chemical energy.
Why is Photosynthesis important?On a daily basis, humans rely on photosynthesis to create food as well as energy to provide heat, light, and power. Furthermore, because autotrophs are producers in practically all food chains, this method is crucial for humans as well.
Photosynthesis is the process by which plants convert water, sunshine, and carbon dioxide into oxygen and simple sugars that they may utilize as fuel. These fundamental producers serve as the foundation of an ecosystem, fueling the subsequent trophic levels. Life on Earth as we know it would not be conceivable without this process.
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Jim began a 208-mile bicycle trip to build up stamina for a triathlon competition. Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole trip took 7 hours. If Jim walks at a rate of 4 miles per hour and rides at 44 miles per hour, find the amount of time he spent on the bicycle.
Answers
Answer:
4.5 hours
Explanation:
Let the time for the bicycle be t, then the time for walking is 7 - t
Distance for walking is 4*(7 - t)
Distance for cycling is 44*t
Total distance 4*(7 - t) + 44t = 208
28 - 4t + 44t = 208
40t = 208 - 28 = 180
so t = 180/40 = 4.5 hours.
In a Pew poll of American voters, almost 80% of Democrats say the government
shutdown is a "very serious" problem for the country, while just 35% of Republicans feel
the same. 54% of the people polled were Democrats and 46% were Republicans.
(a) Overall, what percentage of American voters say the government shutdown is a
"very serious" problem for the country?
%
Answer=
(b) Set up a 2x2 probability table. Round all percentages to 2 decimal places.
Democrat
Republican
Total
Serious
Not Serious
Total
Answers
To find the overall percentage of American voters who say the government shutdown is a "very serious" problem, we need to weigh the responses of Democrats and Republicans based on their representation in the poll.
80% of Democrats say the shutdown is a "very serious" problem, so that's .8 x 54% = 43.2%.
35% of Republicans say the shutdown is a "very serious" problem, so that's .35 x 46% = 16.1%.
Adding these two together: 43.2% + 16.1% = 59.3%.
So overall, 59.3% of American voters say the government shutdown is a "very serious" problem.
What happens when a pebble lying on the ground is kicked?
1. Energy is destroyed
2. Energy is transferred
3. Energy is created
Answers
Answer:
Energy is Transferred
Explanation:"The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside."
The sum of three numbers is 100. The second number is 2 times the third. The third number is 8 less than the first. What are the numbers?
Answers
Answer:
19, 54 and 27
Explanation:
54 is 2 times of 27 and 27-8=19
19+54+27=100