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The Radio Advertising Bureau of New York reports in Radio Facts that in 2000 the mean number of radios per U.S. household was

The Radio Advertising Bureau of New York reports in Radio Facts

that, in 2000, the mean number of radios per U.S. household was 5.6. A random sample of 45

U.S. households is taken this year and the mean number of radios per U.S. household was 5.88.

Do the data provide sufficient evidence to conclude that this year's mean number of radios per

U.S. household has changed from the 2000 mean of 5.6? Assume that the population standard

deviation of this year's number of radios per U.S. household is 1.9. Use 5% level of significance.

(Use MINITAB to solve this problem)

Apr 23 2020 View more View Less

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