What is the value of the test statistic? a) 5.7 b) 2.766 c) 2.1009 d) 1.734 What

Question

What is the value of the test statistic? a) 5.7 b) 2.766 c) 2.1009 d) 1.734 What implications should be drawn? a) There is not enough evidence to support the consultant's claim that there is a difference in the length of time government employees and private sector workers take coffee breaks. b) There is enough evidence to support the consultant's claim that government employees take longer coffee break than private sector workers. c) There is enough evidence to support the consultant's claim that there is a difference in the length of time government employees and private sector workers take for coffee breaks. d) There is not enough evidence to support the consultant's claim that government employees take longer coffee breaks than private sector workers.

Explanation / Answer

14) Test statistic value = t = 2.766

15) t critical two tail = 2.1

If the absolute value of the t-value is greater than the critical value, you reject the null hypothesis. If the absolute value of the t-value is less than the critical value, you fail to reject the null hypothesis.

Null hypothesis will always contain equality sign and this is a one tailed test.

Ho: G - p 0

H1: G - p > 0

This means Govt employees take longer breaks. So, B option.

So, here we reject the null hypothesis.

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