Question: Scenario A: An experimental study examined whether method of daily announcement affects worker productivity. A factory with two facilities with similar worker productivity percentages participated

Scenario A: An experimental study examined whether method of daily announcement affects worker productivity. A factory with two facilities with similar worker productivity percentages participated in the study. One facility delivered daily announcements using a speaker system whereas the other facility displayed announcements all day on a screen located in the break room. Worker productivity percentages were compared between the two facilities.

Use this scenario to answer the following question.

What is the independent variable?

10)

What is the dependent variable?

11)

What is the null hypothesis?

12)

What is the alternative/research hypothesis?

13)

If they reported t (25) = 1.95 and it is two-tailed, using the critical value table in your e-book, what is t_cv?

14)

What should the researcher conclude about the null hypothesis? (Reject / fail to reject?)

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