The following table shows data on the household characteristics of both high$-$ and low$-$income families.

Use the data shown to answer the questions that follow.

Bottom $20\%$ of Income Receipts

Top $20\%$ of Income Receipts

Education of Householder

Percent with less than high school $262$

Percent with college degree or more $1265$

Age of Householder $($Percent Distribution$)$

Under $353211$

$35644775$

$65$ and older $2114$

Family Status

Married$-$couple family $($percentage of total$)4594$

Single$-$parent family $($percentage of total$)556$

Persons per Family $3\mathrm{.}13\mathrm{.}4$

Earners per Family $0\mathrm{.}72\mathrm{.}1$

Percent of married$-$couple families in which wife works full time $963$

Percent of total work hours supplied by group $633$

Higher income families are likely to be headed by someone with a college degree.

Higher income families are likely to be headed by someone $65$ or older.

Higher income families are likely to be married couples.

Higher income families are likely to comprise more persons.

Higher income families are likely to comprise more earners per family.