Identify the null and alternative hypotheses

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Reference no: EM13837939

A study is performed in a large southern town to determine whether the average weekly grocery bill per four-person family in the town is significantly different from the national average. The national average grocery bill is $100. A random sample of 30 families is taken in the town, and the mean is found to be 103.91 with a standard deviation of 8.57.

For each item below, please show your work and/or explain your reasoning.

a) Identify the null and alternative hypotheses for this situation.

b) Assuming a 0.05 level of significance, compute the appropriate test statistic.

c) Can you reject the null hypothesis? Explain/justify your response using numbers and words.

Reference no: EM13837939

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