Chapter 2.3, Problem 19E

To determine

(a)

To construct the stem and leaf and frequency histogram for the given data.

To determine

(b)

To calculate the mean and standard deviation for the given data.

To determine

(c)

To calculate the proportion of interval $\left(\overline{x}\pm s\right),\left(\overline{x}\pm 2s\right)\text{ and }\left(\overline{x}\pm 3s\right)$.

To determine

(d)

To compare the proportion of interval $\left(\overline{x}\pm s\right),\left(\overline{x}\pm 2s\right)\text{ and }\left(\overline{x}\pm 3s\right)$ with empirical rule.

To determine

(e)

To explain the number of observations whose weigh is exactly equal to 1 pound and also explain the reason behind it.