Consider the Following to Answer the Question(s) Below

question 8

Essay

Consider the following to answer the question(s) below:
The option to buy extended warranties is commonplace with most electronics purchases. Does the type of purchase affect a consumer's willingness to pay extra for an extended warranty? Data for 420 consumers who purchased digital cameras and laptop computers from a leading electronics retailer are summarized in the table.
-The administration of a large university is interested in learning about the types of wellness programs that would interest its employees. To do this, they plan to survey a random sample of employees. Under consideration are several plans for selecting the sample. Name the sampling strategy for each.
a. There are five categories of employees (administration, faculty, professional staff, clerical, and maintenance). Randomly select ten individuals from each category.
b. Each employee has an ID number. Randomly select 50 numbers.
c. Randomly select a school within the university (e.g., Business School) and survey all of the individuals (administration, faculty, professional staff, clerical and maintenance) who work in that school.
d. The HR Department has an alphabetized list of newly hired employees (hired within the last five years). After starting the process by randomly selecting an employee from the list, then every 5th name is chosen to be included in the sample.

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Definitions:

Distribution

The process of making a product or service available for the consumer or business user who needs it, which can involve transportation, packaging, and delivery.

Ratio

A mathematical relationship that compares two numbers or quantities, indicating how many times one value contains or is contained by the other.

Frequencies

The number of times an event occurs within a specified period, often used in the context of waves or signals.

Categorical Statistics

A branch of statistics that deals with variables that can be categorized into distinct groups and analyzes the frequency and distribution of these categories.