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Question
For mail surveys, the time period between the first mailing and the cut-off date after which no additional surveys will be analyzed is typically about:a. 1-2 weeks
b. 2-3 weeks
c. 3-5 weeks
d. 6-8 weeks
Answer
This answer is hidden. It contains 1 characters.
Related questions
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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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