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Author Question: Door-to-door interviews are still used heavily by researchers. Indicate whether the statement is ... (Read 117 times)

nramada

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on: Jun 29, 2018
Door-to-door interviews are still used heavily by researchers.
 
 Indicate whether the statement is true or false

Question 2

The degrees of freedom are calculated as d.f. = n - 1 when using the t-test for comparing two means.
 
 Indicate whether the statement is true or false


pami445

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

F
Door-to-door interviews are becoming a thing of the past due to security reasons or executives who are too busy to grant personal interviews during business hours.

Answer to Question 2

F
In a test of two means, degrees of freedom are calculated as d.f. = n - k, where n = n1 + n2 and k = number of groups.


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