Multiple choice question

1. _________ error is the difference between a sample statistic and a population parameter that occurs due to chance.

Group of answer choices

a) Sampling

b) Standard

c) Statistical

d) Human

2. Which of the following isnottrue about samples?

Group of answer choices

a) information from a sample is generally more accurate than information from a population.

b) acquiring information from a sample is less expense and takes less time than gathering information from a population.

c) sampling is prone to errors.

d) samples typically do not perfectly represent the population.

3. A population has a mean of 82.4, and a standard deviation of 14. Assume that a sampling distribution of sample means has been constructed, based on repeated samples of n = 400 from this population.

What would be the value of thestandard error of the mean? (to the nearest tenth)

4. A population has a mean of 85.6, and a standard deviation of 9. Assume that a sampling distribution of sample means has been constructed, based on repeated samples of n = 225 from this population.

What would be the value of thestandard error of the mean? (round your answer to the nearest tenth, if necessary).

Group of answer choices

a) 0.6

b) 0.1333

c) 1.66667

d) 0.175