1. The sampling distribution of a statistic is ___.

a. using repeated samples and finding a probability

b. the distribution of values taken by a statistic in all possible samples of the same

sample size from the same population

c. the way that sample results different from each other

d. the distribution of values in a sample of size

For questions 2–4, consider the situation below.

A certain public high school has 2000 students. The principal wants to obtain information

from parents regarding school homework policies.

2. The principal takes a numbered list of all students in the school and randomly selects

samples whose parents will participate. Which sampling technique does this

illustrate?

a. systematic

b. simple random

c. cluster

d. stratified
3. The principal wants to be sure she has a proportionate sample of parents based on

the grade level of the students. Which sampling method should she consider using?

a. systematic

b. simple random

c. cluster

d. stratified

4. The target population in her study are ____.

a. students in the school

b. parents of students in the school

c. elementary school pupils in the district

d. parents of elementary school pupils in the district

5. Patrick wanted to have a proportional allocation of sample per stratum in a

population of 352. The following are the strata and their corresponding populations:

125 Chinese, 84 Japanese, 94 Filipinos, and 49 Koreans. How many samples from each

stratum should he select if his sample size is 100?

6. During the course of his study, Felipe noted that 514 patients were categorized based

on their developmental stage. The following were listed: Adolescence 163, Young

Adult 201, and Late Adult 150. Compute for the number of samples Felipe should

select from each stratum using stratified random sampling if he needs 40 patients

for a study.

7. In a systematic sample of size 40 from a population of 600 with a randomly selected

starting point of 12, the next three selections should be:

a. 42, 92, 137

b. 27, 42, 57

c. 90, 140, 190

d. 24, 36, 48​