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 same hamsters during December, January, and February. The data are collected, and the results show an average difference score of Mp = 3.1 and a sum of squares of SS = 331.35. What is the value for degrees of freedom for this repeated-measures t test? O 15 O 16 O 34 O 37 What is the sample standard deviation (s) for the D scores? O 1.18 O 4.7 O 22.09 O 331.35
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 same hamsters during December, January, and February. The data are collected, and the results show an average difference score of Mp = 3.1 and a sum of squares of SS = 331.35. What is the value for degrees of freedom for this repeated-measures t test? O 15 O 16 O 34 O 37 What is the sample standard deviation (s) for the D scores? O 1.18 O 4.7 O 22.09 O 331.35
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.EA: Extended Application Using Extrapolation To Predict Life Expectancy
Problem 2EA
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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 = 3.1 and a sum of squares of SS = 331.35.
What is the value for degrees of freedom for this repeated-measures t test?
O 15
O 16
О 34
O 37
What is the sample standard deviation (s) for the D scores?
O 1.18
O 4.7
O 22.09
О 331.35
Transcribed Image Text:О 37
What is the sample standard deviation (s) for the D scores?
O 1.18
O 4.7
O 22.09
О 331.35
What is the estimated standard error of the mean difference (SMD) for this study?
O 1.38
O 1.09
O 1.18
O 0.26
оо
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