A Company Reports That 80% of Its Employees Participate in the Company's

question 136

Essay

A company reports that 80% of its employees participate in the company's stock purchase plan. A random sample of 50 employees was asked the question, "Do you participate in the stock purchase plan?" The answers are shown below. $$\begin{array} { l l l l l l l l l l } \text { yes } & \text { no } & \text { no } & \text { yes } & \text { no } & \text { no } & \text { yes } & \text { yes } & \text { no } & \text { no } \\\text { no } & \text { yes } & \text { yes } & \text { yes } & \text { no } & \text { yes } & \text { no } & \text { no } & \text { yes } & \text { yes } \\\text { no } & \text { yes } & \text { yes } & \text { no } & \text { yes } & \text { yes } & \text { no } & \text { yes } & \text { yes } & \text { yes } \\\text { yes } & \text { no } & \text { no } & \text { yes } & \text { yes } & \text { yes } & \text { yes } & \text { yes } & \text { no } & \text { yes } \\\text { no } & \text { yes } & \text { yes } & \text { no } & \text { yes } & \text { yes } & \text { yes } & \text { yes } & \text { yes } & \text { yes }\end{array}$$ Perform the appropriate test of hypothesis to investigate your suspicion that fewer than 80% of the company's employees participate in the plan. Use α = .05.

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Definitions:

Measuring Intelligence

Refers to the methodologies and instruments used to assess and quantify cognitive capabilities and intellectual potential in individuals.

Heritability

A measure of how much of the variation in a trait within a population can be attributed to genetic differences among individuals in that population.

Fluid Intelligence

The ability to think abstractly, reason quickly, and solve problems in novel situations, independent of acquired knowledge.

WISC-IV

The fourth edition of the Wechsler Intelligence Scale for Children, a widely used test to assess cognitive ability in children.