Measures of central tendency

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Instructions: This assignment is regarding measures of central tendency. It is related to your Chapter 2 (Salkind) material. It is not timed but assignment must be submitted by the specified due date.

Always save a copy of your responses to the individual assignments before you submit them (either by taking a picture of your answers or by copying and pasting your answers into a word document). You will need them for you discussion assignment and you will not always have access to your responses after you submit them.

Flag question: Spacer

Below are some data from 19 college students about the total number of hours they slept on Monday night (the data are made up, but they do actually reflect real patterns of what sleep looks like in college students!). You’ll need these data to answer the next several questions.

Number of hours slept on Monday Night:

5
6
5
4
6
7
5
7
6
7
4
4
7
6
6
7
8
4
6

Flag question: Question 1

What is the mean for number of hours slept on Monday (round your answer to three decimal points).

Flag question: Question 2

What is the mode for number of hours slept on Monday night?

Flag question: Question 3

What is the median for number of hours slept on Monday night?

Flag question: Spacer

Below are some data from 19 college students about the total number of hours they slept on Friday night (the data are made up, but they do actually reflect real patterns of what sleep looks like in college students!). You’ll need these data to answer the next several questions.

Number of Hours Slept on Friday Night

10
11
10
9
8
10
7
6
10
0
10
11
10
11
10
8
9
8
4

Flag question: Question 4

What is the mean for number of hours slept on Friday night? (round your answer to three decimal points)

Flag question: Question 5

What is the mode for number of hours slept on Friday night?

Flag question: Question 6

What is the median for number of hours slept on Friday night?

Flag question: Question 7

Is the Mean a good representation of the data for Monday night? How about for Friday Night? Does it give you a good sense of what the data are like? Why or why not? For this question, I want you to think about when we would or would not want to use the mean, and think about whether the data seem to fit that situation or not. There are a few ways to answer this question correctly, as long as you justify your response with correct information, you will get credit.

Flag question: Question 8

Is the Mode a good representation of the data for Monday night? How about for Friday Night? Does it give you a good sense of what the data are like? Why or why not? There are a few ways to answer this question correctly, as long as you justify your response with correct information, you will get credit.

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Flag question: Question 9

Is the Median a good representation of the data for Monday night? How about for Friday Night? Does it give you a good sense of what the data are like? Why or why not? There are a few ways to answer this question correctly, as long as you justify your response with correct information, you will get credit.

Flag question: Question 10

What do you notice about the difference between the amount of sleep people seem to get on Monday versus Friday nights?

Flag question: Question 11

Which measure of central tendency (the mean, median or the mode) best describes the pattern of data for Friday night? What about for Monday night? Explain and defend your answer.

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