Question

At the end of their first day at training camp, 10 new recruits participated in a rifle-shooting competition. The same 10 competed again at the end of a full week of training and practice. Their resulting scores are shown in the following table.
Does this set of 10 pairs of data show that there was a significant amount of improvement in the recruits’ shooting abilities during the week? Use and assume normality.


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  • CreatedAugust 28, 2015
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