For the following report about a statistical​ study, identify the items below: to find the​ public's views on obesity​, researchers waited outside a fast food restaurant they had randomly selected from a list of such establishments. they stopped every 25th person who came out of the restaurant and asked whether he or she thought obesity was a serious problem.
1. The population:____.
a. all people except those who work at fast food restaurantfast food restaurants.
b. people.
c. every 25th person leaving the restaurant.
d. all people that go to fast food restaurantfast food restaurants.
2. The population parameter of interest:_____.
a. proportion who think obesity is not a serious problem.
b. proportion of people who think obesity is a serious problem.
c. proportion of people who answered the survey.
d. proportion of people who did not answer the survey.
​3. The sampling frame:_____.
a. all people except those who work at fast food restaurantfast food restaurants.
b. people who think obesity is a problem.
c. every 25th person leaving the restaurant.
d. restaurant customers.
​4. The sample:____.
a. people.
b. every person leaving the restaurant.
c. every 25th person leaving the restaurant.
d. all people except those who work at fast food restaurantfast food restaurants.
5. The sampling​ method, including whether or not randomization was employed:_____.
a. questionnaire​ (non-random).
b. not​ specified, non-random.
c. not​ specified, but at least​ "random".
d. systematic sampling.
​6. Any potential sources of bias you can detect and any problems you see in generalizing to the population of interest:
A. Response bias is possible. The study is conducted in such a way as to achieve a desired response that may be different from the population in general.
B. Non-response bias is possible. Since some people leaving the restaurant may not respond to the​interview, the study may misrepresent the general population.
C. Undercoverage bias is possible. Since those interviewed just left a fast food restaurant commafast food restaurant, their opinions about obesity may differ from the population in general.
D. There is no indication of bias.

Answer:

Step-by-step explanation:

From the short passage given in the question, we are fill in the gaps with the options provided in each question. Below shows the correctly selected answer after thoroughly going through the passage.

1

b. people

2

[tex]\mathbf{b. \ proportion \ of \ people \ who \ think \ obesity \ i s \ a \ serious \ problem.}[/tex]

3

d. restaurant customers.

4

c. every 25th person leaving the restaurant.

5

d. systematic sampling.

6

C. Undercoverage bias is possible. Since those interviewed just left a fast-food restaurant, fast food restaurant, their opinions about obesity may differ from the population in general.

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