TABLE 8-12 A Random Sample of 100 Stores from a Large Chain

question 70

True/False

TABLE 8-12
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 8-12,of all possible samples of 100 stores drawn from the population of 1,000 stores,95% of the sample means will fall between 5.623 and 6.377 lawnmowers.

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Definitions:

Beta Waves

The brain wave pattern associated with mental activity.

Alpha Waves

Brain waves detected via EEG that are associated with relaxed, wakeful states, typically present during meditation and light sleep.

Theta Waves

Brainwave patterns associated with stages of sleep and deep meditation, reflecting a state of relaxation.

Delta Waves

Slow brain waves that are present in deep sleep and represent the deepest stage of dreamless sleep.