At the end of their first day at training camp, 10 new recruits participated in a rifle-shooting

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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.
At the end of their first day at training camp,

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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Elementary Statistics

ISBN: 9780538733502

11th Edition

Authors: Robert R. Johnson, Patricia J. Kuby

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