Descriptive Statistics Worksheet

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timer Asked: Jan 25th, 2019
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Question Description

Directions: Answer each question completely, showing all your work. Refer to the SPSS tutorials located in the Topic 4 materials as needed. Copy and Paste the SPSS output into the word document for the calculations portion of the problems. (Please remember to answer the questions you must interpret the SPSS output).

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Descriptive Statistics Worksheet

 

Directions: Answer each question completely, showing all your work. Refer to the SPSS tutorials located in the Topic 4 materials as needed. Copy and Paste the SPSS output into the word document for the calculations portion of the problems. (Please remember to answer the questions you must interpret the SPSS output).

1. A researcher is interested to learn if there is a linear relationship between the hours in a week spent exercising and a person’s life satisfaction. The researchers collected the following data from a random sample, which included the number of hours spent exercising in a week and a ranking of life satisfaction from 1 to 10 ( 1 being the lowest and 10 the highest).

2. Find the mean hours of exercise per week by the participants.

 3. Find the variance of the hours of exercise per week by the participants.

 4. Determine if there is a linear relationship between the hours of exercise per week and the life satisfaction by using the correlation coefficient.

 5. Describe the amount of variation in the life satisfaction ranking that is due to the relationship between the hours of exercise per week and the life satisfaction.

 6. Develop a model of the linear relationship using the regression line formula.


Descriptive Statistics Worksheet Directions: Answer each question completely, showing all your work. Refer to the SPSS tutorials located in the Topic 4 materials as needed. Copy and Paste the SPSS output into the word document for the calculations portion of the problems. (Please remember to answer the questions you must interpret the SPSS output). 1. A researcher is interested to learn if there is a linear relationship between the hours in a week spent exercising and a person’s life satisfaction. The researchers collected the following data from a random sample, which included the number of hours spent exercising in a week and a ranking of life satisfaction from 1 to 10 ( 1 being the lowest and 10 the highest). Hours of Participant Exercise 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 © Grand Canyon University 2016 Life Satisfaction 3 14 14 14 3 5 10 11 8 7 6 11 6 11 8 15 8 8 10 5 1 2 4 4 10 5 3 4 8 4 9 5 4 10 4 7 4 5 4 4 1 2. Find the mean hours of exercise per week by the participants. 3. Find the variance of the hours of exercise per week by the participants. 4. Determine if there is a linear relationship between the hours of exercise per week and the life satisfaction by using the correlation coefficient. 5. Describe the amount of variation in the life satisfaction ranking that is due to the relationship between the hours of exercise per week and the life satisfaction. 6. Develop a model of the linear relationship using the regression line formula. © Grand Canyon University 2016 2

Tutor Answer

Tutorbetie
School: Boston College

Attached.

Descriptive Statistics Worksheet
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© Grand Canyon University 2016

1

Mean
Mean =
Mean =

∑𝑋
𝑛
177
20

= 8.85

Alternatively, the output from the SPSS is;
Summary Statistic output
Mean
Interpretation

8.85

Mean is descriptive statistics tool which is used to find the average of a given set of data. From
the mean calculated above, the interpretatition means that the average number of hours each
participant would exercise within a week is 8.85 hours. Therefore, on avera...

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Anonymous
awesome work thanks

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