Researchers determine that 60 Puffs tissues is the average number of tissues used during a cold.Suppose a random sample of 100 Puffs users yielded the following data on the number of tissues used during a cold: 
= 52 and s = 22.Using the sample information provided, the value of the test statistic is:
A) t = (52 - 60) / 22
B) t = (52- 60) / (22 / 100)
C) t = (52- 60) / (22 / 1002)
D) t = (52 - 60) / (22 / 10)
Correct Answer:
Verified
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A)unbiased
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