DO NOT DO ANY CALCULATIONS! Identify the alternative hypothesis to test, the tes

Question

DO NOT DO ANY CALCULATIONS! Identify the alternative hypothesis to test, the test statistic you need to use to do the test and whether the test is a right, left or two tail test.

a) When 200 convicted embezzlers were randomly selected, the mean length of prison sentence was 22.1 months and the standard deviation was found to be 8.6 months. A candidate running for governor on a platform of tougher treatment for convicted criminals claims that the mean sentence for embezzlers is less than 2 years. Use ? = .05 to test their claim.

Explanation / Answer

Ha: < 24 months

t= (22.1-24)/8.6/200

left tail test

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