Chapter 13.1, Problem 14E

a.

To determine

The descriptive statistics of the part of the study.

Answer to Problem 14E

“ $16\%$ (Adults) said that they are superstitious”

Explanation of Solution

Given information:

In a sample of $800$ adults, $16\%$ saidthat they are superstitious.

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

Calculation:

Descriptive statistics involves organizing, summarizing, and displaying data.

From the given statement, the descriptive statistics is the phrase “ $16\%$ (of the adults) said that they are superstitious”

b.

To determine

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

Answer to Problem 14E

There are less adults who are superstitious

Explanation of Solution

Given information:

In a sample of $800$ adults, $16\%$ said that they are superstitious.

  $(b)$ 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 there are less adults who are superstitious.