Question
A survey of 25 randomly selected customers found the ages shown (in years). The mean is 32.24 years and the standard deviation is 9.75 years.a)
A survey of
25
randomly selected customers found the ages shown (in years). The mean is
32.24
years and the standard deviation is
9.75
years.a) How many degrees of freedom does the t-statistic have?b) How many degrees of freedom would the t-statistic have if the sample size had been
100?
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Precalculus
Authors: Michael Sullivan
10th Global Edition
1292121772, 1292121777, 978-1292121772
