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

question 141

True/False

Instruction 8-1
A random sample of 100 stores from a large chain of 1,000 garden supply stores was selected to determine the average number of lawnmowers sold at an end-of-season clearance sale. The sample results indicated an average 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 Instruction 8-1,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.

---

Definitions:

Contemporary U.S. Society

The current social, political, and cultural features that define the United States, reflecting modern-day values, issues, and trends.

Adulthood

A phase of life characterized by full physical development, legal responsibility, and, typically, psychological maturity.

Cognitive Development

The study of how thinking, problem solving, and intelligence evolve as people grow from infancy through adulthood.

Schaie's Model

A theory of cognitive development that outlines how thinking and problem solving abilities change over the course of a person’s life.