You are testing the claim that having lights on at night increases weight gain (abstract). A sample 10 mice lived in an environment with bright light on all of the time and 8 mice who lived in an environment with a normal light/dark cycle is given below. Test the claim using a 10% level of significance. Assume the population variances are unequal and that the weight changes are normally distributed. Give answers to 3 decimal places.
You are testing the claim that having lights on at night increases weight gain (abstract). A sample 10 mice lived in an environment with bright light on all of the time and 8 mice who lived in an environment with a normal light/dark cycle is given below. Test the claim using a 10% level of significance. Assume the population variances are unequal and that the weight changes are normally distributed. Give answers to 3 decimal places.
MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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
Transcribed Image Text:You are testing the claim that having lights on at night increases weight gain (abstract). A sample of
10 mice lived in an environment with bright light on all of the time and 8 mice who lived in an
environment with a normal light/dark cycle is given below. Test the claim using a 10% level of
significance. Assume the population variances are unequal and that the weight changes are
normally distributed. Give answers to 3 decimal places.
Light (c1)
Dark (x2)
1.71
2.27
4.67
2.53
4.99
2.83
5.33
4
5.43
4.21
6.94
4.6
7.15
5.95
9.17
6.52
10.26
11.67
What are the correct hypotheses? Note this may view better in full screen mode. Select the correct
symbols in the order they appear in the problem.
Ho: Select an answer v ? vSelect an answer v
Ha: Select an answer v
Select an answer v
Based on the hypotheses, find the following:
Test Statistic =
p-value =
The correct decision is to Select an answer

Transcribed Image Text:6.94
4.6
7.15
5.95
9.17
6.52
10.26
11.67
What are the correct hypotheses? Note this may view better in full screen mode. Select the correct
symbols in the order they appear in the problem.
Ho: Select an answer ♥
Select an answer ♥
Ha: Select an answer ♥
? v
Select an answer ♥
Based on the hypotheses, find the following:
Test Statistic =
p-value
%3D
The correct decision is to Select an answer
The correct summary would be: Select an answer
lights on can cause weight gain.
that sleeping with
Fonken, L., et. al., "Light at night increases body mass by shifting time of food intake," Proceedings
of the National Academy of Sciences, October 26, 2010; 107(43): 18664-18669. abstract
Question Help: Message instructor
Submit Question
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