To Test Whether or Not the Number of Customer Complaints

question 80

Multiple Choice

To test whether or not the number of customer complaints for one month is higher than usual, which of the following tests is appropriate?

• A) Chi-square test
• B) one-sample t-test
• C) paired-samples t-test
• D) independent samples t-test

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Definitions:

Government

The governing body of a nation, state, or community, responsible for creating and enforcing laws, policies, and regulations.

Personal Income

The total amount of income received by an individual or household from all sources before taxes and other deductions.

Wages

Payments made to workers for their labor or services, typically calculated on an hourly, daily, or piecework basis.

Salaries

Fixed regular payments made by employers to employees, typically on a monthly or biweekly basis, in exchange for their work.