TABLE 8-1 A Random Sample of 100 Stores from a Large Chain

question 156

True/False

TABLE 8-1
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 Table 8-1, 95% of the stores have sold between 5.623 and 6.377 lawnmowers.

---

Definitions:

Sympathetic

Pertaining to the sympathetic nervous system, part of the autonomic nervous system that often accelerates heart rate, constricts blood vessels, and raises blood pressure, preparing the body for action.

Parasympathetic

refers to the part of the autonomic nervous system responsible for rest and digestion, countering the fight-or-flight responses of the sympathetic system.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, regulating and coordinating bodily functions.

Holmes and Rahe

Psychologists who developed the Social Readjustment Rating Scale (SRRS), a scale that measures stress levels in life changes to predict illness risk.