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.
The question belongs to Statistics and it discusses about hypothesis testing on intense probation supervision and success on probation.
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