Chapter 9.1, Problem 43E

(a)

To determine

The frequency distribution for the provided data of number of new houses in thousands sold every month in the U.S. from the year $2010$ to $2013$. The frequency distribution must have six intervals with the first interval $20-23$.

(b)

To determine

The histogram and frequency polygon for the provided data.

(c)

To determine

The mean for the provided data of number of new houses in thousands sold every month in the U.S. from the year $2010$ to $2013$.

(d)

To determine

The mean for the provided data with the help of grouped data from the frequency distribution table.

(e)

To determine

The explanation for why the mean found in part (c) and (d) are different.

(f)

To determine

The median and mode for the provided data of number of new houses in thousands sold every month in the U.S. from the year $2010$ to $2013$.