Two groups of aged rats are studied: those with moderate memory loss and severe memory loss.  Moderate Memory Loss 11, 10, 11, 8 Severe Memory loss 16, 18, 18, 16 Use a two-tailed test at the .01 level of significance.  What is t criterion? What is t calculated? Is the null hypothesis reject or failed to reject?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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Two groups of aged rats are studied: those with moderate memory loss and severe memory loss. 

Moderate Memory Loss

11, 10, 11, 8

Severe Memory loss

16, 18, 18, 16

Use a two-tailed test at the .01 level of significance. 

What is t criterion?

What is t calculated?

Is the null hypothesis reject or failed to reject?

 

 

 

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