To Study the Physical Fitness of a Sample of 28

Essay

To study the physical fitness of a sample of 28 people, the data below were collected representing the numberof sit-ups that a person could do in one minute. $$\begin{array} { l l l l l l l } 10 & 12 & 12 & 15 & 15 & 15 & 18 \\\hline 20 & 22 & 25 & 25 & 26 & 29 & 30 \\\hline 32 & 33 & 40 & 40 & 40 & 45 & 46 \\\hline 47 & 48 & 48 & 50 & 52 & 53 & 56 \\\hline\end{array}$$ Determine the lower and upper fences. Are there any outliers according to this criterion?