A researcher is interested in hamster wheel-running activity during the summer versus the winter. She suspects that either the hamsters will run less during the winter to conserve energy or they will run more to keep warm. She records the activity of n = 16 hamsters during June, July, and August and compares their running-wheel revolutions per hour to the activity of the same hamsters during December, January, and February. The data are collected, and the results show an average difference score of Mp = 6.2 and a sum of squares of SS = 984.15. What is the value for degrees of freedom for this repeated-measures t test? O 16 O 15 O 50 O 47 What is the sample standard deviation (s) for the D scores? O 2.03 O 8.1 O 984.15 65.61 What is the estimated standard error of the mean difference (SMD) for this study? O 2.03 O 1.42 O 0.37 4.10
A researcher is interested in hamster wheel-running activity during the summer versus the winter. She suspects that either the hamsters will run less during the winter to conserve energy or they will run more to keep warm. She records the activity of n = 16 hamsters during June, July, and August and compares their running-wheel revolutions per hour to the activity of the same hamsters during December, January, and February. The data are collected, and the results show an average difference score of Mp = 6.2 and a sum of squares of SS = 984.15. What is the value for degrees of freedom for this repeated-measures t test? O 16 O 15 O 50 O 47 What is the sample standard deviation (s) for the D scores? O 2.03 O 8.1 O 984.15 65.61 What is the estimated standard error of the mean difference (SMD) for this study? O 2.03 O 1.42 O 0.37 4.10
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
Problem 3TU
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T test for two relates samples
Transcribed Image Text:A researcher is interested in hamster wheel-running activity during the summer versus the winter. She suspects that either the hamsters will run less
during the winter to conserve energy or they will run more to keep warm. She records the activity of n = 16 hamsters during June, July, and August
and compares their running-wheel revolutions per hour to the activity of the same hamsters during December, January, and February.
The data are collected, and the results show an average difference score of Mp
= 6.2 and a sum of squares of SS = 984.15.
What is the value for degrees of freedom for this repeated-measures t test?
16
15
50
47
What is the sample standard deviation (s) for the D scores?
2.03
8.1
984.15
65.61
What is the estimated standard error of the mean difference (sMD) for this study?
2.03
1.42
0.37
O 4.10
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