Question #1. You are interested in investigating whether greater attachment to one’s friends reduces employee theft. You draw a random sample of 10 people with high attachment to their friends, and a second random sample of 8 people with low attachment to their friends. You obtain the following data on the number of self-reported thefts from their employer. Use *α* = .01 to test the hypothesis that higher levels of attachment reduce theft.

High attachment: 1 3 4 2 2 1 3 1 0 4

Low attachment: 2 4 6 5 3 5 4 2

Question #2. Does intensity of probation supervision influence success on probation? To answer this question, you take a random sample of 50 probationers on intensive probation, and a second independent random sample of 75 probationers on regular probation. For the intensive probation sample, the mean number of arrests was 6.3 (with a variance of 6.1). For the regular probation sample, the mean number of arrests was 2.0 (with a variance of 2.9). Using a significance level of .01, test the hypothesis that the two population means are different.

Subject | Mathematics |

Due By (Pacific Time) | 04/30/2013 02:00 pm |

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