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Hypothesis Testing of Mean

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a recent news report indicates that the mean (Ã?µ) number of years that first-time drug offenders are sentenced is 10.65. The sample of 31 court records from your county indicated a mean number of years = 12.22 with a standard deviation of 3.26. Assume you are working at the .05 level of significance
A)State the appropriate null hypothesis
B)Level of significance
C)Critical Value).
D)Calculate the test statistic
E)State how the test statistic evaluates in light of the critical value
F)Make a decision about the null hypothesis

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The solution provides step by step method for the calculation of testing of hypothesis. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

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Hypothesis test
A recent news report indicates that the mean (µ) number of years that first-time drug offenders are sentenced is 10.65. The sample of 31 court records from your county indicated a mean number of years = 12.22 with a standard deviation of 3.26. Assume you are working at the .05 level of significance
A). State the appropriate null hypothesis
B). level of significance
C). Critical Value).
D).Calculate the test statistic
E).State how the test statistic evaluates in light of the ...

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