Short Answer
According to a national survey, the average commuting time for people living in a city with a population of 1 to 3 million is 19.0 minutes. Suppose a researcher lives in a city with a population of 2.4 million and wants to test this claim for her city. Taking a random sample of 20 commuters, she calculates a mean time of 19.346 minutes and a standard deviation of 2.842 minutes. Calculate the appropriate test statistic to test the hypotheses.
Correct Answer:
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.54
t = (19.346 − 19...View Answer
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Correct Answer:
Verified
t = (19.346 − 19...
View Answer
Unlock this answer now
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