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Category > Math Posted 14 Dec 2017 My Price 8.00

What is the critical t-value?

Refer to the Weight Watchers file below:

Use 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 critical t-value?

 


A. 3.645 or -3.645

B. 1.711 or -1.711

C. 5.614 or -5.614

D. 7.861 or -7.861

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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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