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Author Question: Attempts to recontact individuals selected for a sample who were not available initially are known ... (Read 116 times)

fbq8i

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on: Jun 29, 2018
Attempts to recontact individuals selected for a sample who were not available initially are known as _____.
 a. callbacks
  b. rebounds
  c. recontacts
  d. tracers

Question 2

Suppose that you used a 9-point rating scale and that you wanted to compare men who had an annual income over 50,000 (Group 1) with men who had an annual income less than or equal to 50,000 (Group 2) on their liking of a new product. If you studied 40 men in Group 1 and they have a mean of 7 and a standard deviation of 2.5, while the 35 men in Group 2 have a mean of 5 and a standard deviation of 1.4, what is the approximate value of t using the t-test?
 a. 3.43
  b. 4.19
  c. 2.64
  d. not enough information to determine


bbburns21

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Reply #1 on: Jun 29, 2018
Answer to Question 1

A

Answer to Question 2

B


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fbq8i

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Reply #2 on: Jun 29, 2018
Thank you :)


bbburns21

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Reply #3 on: Jun 29, 2018
Happy to help you


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