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. Test the hypotheses that the commuting time in this city is different from the average 19 minutes at α = .10 using the critical value rule.
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q116: Last year, during an investigation of the
Q117: It has been hypothesized that on average
Q118: It is estimated that the average person
Q119: The local pharmacy prides itself on the
Q120: The manager of a local specialty store
Q122: Last year, TV station KAAA had a
Q123: Failure to meet payments on student loans
Q124: According to a national survey, the average
Q125: If you live in California, the decision
Q126: In a bottling process, a manufacturer will
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents