Question

The 2010 General Social Survey asked the question, "After an average work day, about how many hours do you have to relax or pursue activities that you enjoy?" to a random sample of 1,155 Americans. The average relaxing time was found to be 1.65 hours. Determine which of the following is an observation, a variable, a sample statistic, or a population parameter.

Answer 1

Answer:Observation is 1.65 hours

Variable is the number of hours in relaxing

Population and sample used is 1155 Americans

Explanation:

The population is the relevant individual used in the research

Observation is the result of the experiment which was concluded on the average that 1.65 hours is used in relaxing.

Variation means what is changing in an experiment, variation is allows you to compare your result which is the hours used in the experiment.

Answer 2

a. Observation= An American in the sample.

b. Variable= Number of hours relaxing after a work day.

c. Sample statistic= 1.65

d. Population parameter= Average number of hours all Americans spend relaxing after the days work.

Explanation:

-Observation is the value of something that interests the researcher.

- Variable is the characteristic of the unit being observed by the researcher which is number of hours relaxing after the day's work.

- Sample statistic is the value of the estimate of the descriptive statistic in a sample which is the mean of relaxing hours (1.65).

- Population parameter is the numeric value for a given population and in this, it is the Average numeric hours all Americans spend relaxing at work.