Chapter 13.1, Problem 13E

a.

To determine

The descriptive statistics of the part of the study.

Answer to Problem 13E

“ $31\%$ (of parents) plan to financially support their children through college graduation and $6\%$ plan to financially support their children through the start of college.”

Explanation of Solution

Given information:

In a survey of $750$ parents, $31\%$ plan to financially support their children through the start of college.

  $(a)$ Which part of the study represents descriptive measure?

Calculation:

Descriptive statistics involves organizing, summarizing, and displaying data.

From the given statement, the descriptive statistics is the phrase “ $31\%$ (of parents) plan to financially support their children through college graduation and $6\%$ plan to financially support their children through the start of college.”

b.

To determine

The representation of conclusion from the study by using inferential statistics.

Answer to Problem 13E

More parents are planning to support their children through college graduation rather than through the start of college.

Explanation of Solution

Given information:

In a survey of $750$ parents, $31\%$ plan to financially support their children through the start of college.

  $(b)$ Use inferential statistics to draw a conclusion from the study.

Calculation:

Inferential statistics involves using a sample to draw conclusions about a population.

From part (a) that more parents are planning to support their children through college graduation rather than through the start of college.