TABLE 8-17 A Random Sample of 100 Stores from a Large Chain

question 5

True/False

TABLE 8-17
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.
-True or False: Referring to Table 8-17,we do not know for sure whether the true population mean is between 5.623 and 6.377 lawnmowers sold.

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Definitions:

Per Capita

A statistical measure that divides a total amount by the number of people in a population, often used to give a per-person average.

Mortality Rates

The measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time.

Illiteracy Rates

The percentage of the population that cannot read and write in a given language at a functional level.

Energy Consumption

The amount of energy consumed in the form of electricity, gas, or other energy sources by a household, business, or country.