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Question
A mystery shopper acts like a customer while observing and recording data.Answer
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Related questions
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In a study comparing the means of two groups in which there are 45 males in Group 1 and 37 females in Group 2, the degrees of freedom for this study when using the t-test for the difference between means is:
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b. 80
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In using the t-test to compare the means of two groups, the degrees of freedom are calculated as _____.
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Checking the data collection forms to correct omissions, illegibly written responses, and the consistency of answers is called ______.
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All of the following are examples of an observation study EXCEPT ____.
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b. a cable laid across the street that records the number of cars that pass a certain intersection
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