Mathematics, 01.04.2021 23:20, vardo13

Select the most appropriate response. In a random sample of 28 families, the average weekly food expense was $95.60 with a standard deviation of $22.50. Determine whether a normal distribution or a t-distribution should be used or whether neither of these can be used to construct a confidence interval. Assume the distribution of weekly food expenses is approximately normal. Question options: Cannot use normal distribution or t-distribution. Use a t-distribution. Use the normal distribution.

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Select the most appropriate response. In a random sample of 28 families, the average weekly food exp...