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Category > Math Posted 14 Dec 2017 My Price 8.00

What is the t-statistic (t-score)?

Refer to the Weight Watchers file: Review Attachment below:

Use the excel to test. For each paired difference, compute After - Before. In Data Analysis, t-Test: Paired Two Sample for means, select the After data for Variable 1 Range. Note that the critical value output by Data Analysis for this test is always positive. In this problem, the sign of the critical value is negative corresponding to a 1-tailed test with lower reject region and negative lower critical value.

 

What is the t-statistic (t-score)?

 

A. -9.321

B. 7.087

C. -7.087

D. 9.321

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Martinakom
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Status NEW Posted 14 Dec 2017 08:12 AM My Price 8.00

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