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Hypothesis Testing of Mean

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1. From a population of cans of coffee marked "12 ounces," a sample of 50 cans was selected and the contents of each can were weighed. The sample revealed a mean of 11.8 ounces with a SAMPLE standard deviation of 0.5 ounces.
a. Formulate the hypotheses to test alternative hypothesis that the mean of the population is less than 12 ounces.
b. Compute the test statistic.
c. What is your conclusion? Let a = .05.

Solution Summary

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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Formulate the hypothesis to test alternative
1. From a population of cans of coffee marked "12 ounces," a sample of 50 cans was selected and the contents of each can were weighed. The sample revealed a mean of 11.8 ounces with a SAMPLE standard deviation of 0.5 ounces.
a. Formulate the hypotheses to test alternative hypothesis that the mean of the population is less than 12 ounces.
The ...

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