Questions on survey sampling

Reference no: EM1394613

Suppose that a survey is being planned for purposes of estimating the average number of hours spent exercising daily by adults (18 years of age or older) living in a certain community. A list of all individuals living in the town is not available; however, a list of all households is available at the office of the town clerk. For simplicity, suppose this list consists of nine households and that the information you would collect, were you to visit each household, is as shown in the accompanying table.

Aggregate Number of

Household Hours Spent Exercising

No. of Adults by All Adults

1 2 1

2 3 3

3 2 7

4 5 8

5 3 4

6 1 0

7 2 1

8 3 2

9 2 0

a. Using the information above, identify:

i. The population

ii. The element of the population

iii. The sampling units

iv. The frame

v. The study (survey) variable

b. Devise a sampling plan to estimate the average daily time expenditure on exercising by adults living in the community.

c. Select all samples of two households from this frame, and compute the average exercising time per person for each sample.

d. Compute the expected value of your estimate, and compare this with the actual population parameter.

Reference no: EM1394613

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