I If Probability Sampling Is Done, Each Item in the Population

question 22

Multiple Choice

i. If probability sampling is done, each item in the population has a chance of being chosen.
ii. If the size of a sample equals the size of the population, we would not expect any error in estimating the population parameter.
Iii) Ontario Parks wardens estimate the average weight of the fish or game population by using creel checks and other devices. Based on this sample data, a warden might estimate that the mean weight of Coho salmon caught in Lake Ontario is 2.5 pounds. This single number is called a point estimate of
The unknown population parameter.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

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