$12\mathrm{.}2\mathrm{.}35$ Question Help Number of E$-$mail Messages Sent per Day O Use the accompanying frequency polygon to answer the following questions a$)$ How many people sent five e$-$mail messages? b$)$ How many people sent six or fewer e$-$mail messages? c$)$ How many people were included in the survey? d$)$ Construct a frequency distribution from the frequency polygon e$)$ Construct a histogram from the frequency distribution in part $($d$)$ Number of People $1012$ Number of Messages Sent