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Post a New Question | Current Questions | Chat With Live Tutors
Posted by Delia on Tuesday, August 11, 2009 at 12:11pm.
A marketing research firm is conducting a survey to determine if there is a difference in consumer choice in the selection of two rival soft drinks. Those surveyed were asked to rank the taste from 1-10 with 10 being the highest rating. A summary of the survey follows: Calculate the test statistic: A) 2.40
B) -1.52
C) 0
D) -2.1
The number of degrees of freedom associated with the t test, when the data are gathered from a matched pairs experiment with 13 pairs, is: A) 13
B) 26
C) 12
D) 24
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- business statistics - MathGuru, Tuesday, August 11, 2009 at 7:52pm
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Use df = n - 1. You only count the items or subjects once for your sample size in this kind of t-test.
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