SCENARIO 8-16 A Random Sample of 100 Stores from a Large Chain

question 137

True/False

SCENARIO 8-16
A random sample of 100 stores from a large chain of 500 garden supply stores was selected to determine the mean number of lawnmowers sold at an end-of-season clearance sale.The sample results indicated a mean of 6 and a standard deviation of 2 lawnmowers sold.A 95% confidence interval (5.623 to 6.377)was established based on these results.
-Referring to Scenario 8-16,if the population had consisted of 1,000 stores,the confidence interval estimate of the mean with finite population correction would have been wider in range.

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Definitions:

Population Parameter

A numerical value that summarizes a characteristic of an entire population, such as its mean or standard deviation.

Observations

Observations are the act of watching or noticing something or data collected during such activities, often used as the basis for scientific research or studies.

Population Standard Deviation

A measure of the dispersion or spread of all values in an entire population, indicating how much individual data points deviate from the mean of the population.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter.