Researchers Determine That 60 Puffs Tissues Is the Average Number $\bar { x }$

question 91

Multiple Choice

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: $\bar { x }$ = 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)

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