Question: 10.141 [EX10-141] Ten soldiers were selected at random from each of two companies to participate in a rifle-shooting competition. Their scores are shown in the

10.141 [EX10-141] Ten soldiers were selected at random from each of two companies to participate in a rifle-shooting competition. Their scores are shown in the following table.

Company A 72 29 62 60 68 59 61 73 38 48 Company B 75 43 63 63 61 72 73 82 47 43 Construct a 95% confidence interval for the difference between the mean scores for the two companies.

Assume normality.

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