Sovi.AI - AI Math Tutor

Scan to solve math questions

QUESTION IMAGE

suppose a survey of 963 homeowners found that 21% bought flood insuranc…

Question

suppose a survey of 963 homeowners found that 21% bought flood insurance. which part of the survey represents the descriptive branch of statistics? make an inference based on the results of the survey.

choose the best statement of the descriptive statistic in the problem.

a. there is no association between homeowners and buying flood insurance.
b. 21% of homeowners in the sample bought flood insurance.
c. 963 homeowners were surveyed.
d. about 21% of homeowners buy flood insurance.

choose the best inference from the given information.

a. 21% of homeowners in the sample bought flood insurance.
b. 963 homeowners were surveyed.
c. there is no association between homeowners and buying flood insurance.
d. about 21% of homeowners buy flood insurance.

Explanation:

Step1: Recall descriptive statistics

Descriptive statistics summarize data from a sample. Here, the fact that 21% of homeowners in the sample bought flood - insurance is a descriptive statistic as it describes a characteristic of the sample of 963 homeowners.

Step2: Recall inferential statistics

Inferential statistics make predictions or inferences about a population based on sample data. Saying about 21% of homeowners (the population) buy flood insurance is an inference.

Answer:

Choose the best statement of the descriptive statistic in the problem:
B. 21% of homeowners in the sample bought flood insurance.
Choose the best inference from the given information:
D. About 21% of homeowners buy flood insurance.