Given the Following Information About a Test, Compute the KR-21

question 4

Multiple Choice

Given the following information about a test, compute the KR-21. The test has 50 items, the median is 36, the mode is 34, the mean is 35, and the standard deviation is 4.

• A) .30
• B) .35
• C) .40
• D) .45

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Definitions:

Advertising Spillover

The effect that advertising for one product or brand has on another due to overlap in customer base or market.

Cord-Cutting

The trend of consumers cancelling or forgoing traditional cable or satellite television services in favor of streaming or Internet-based alternatives.

Streaming Services

Platforms that deliver content over the internet, allowing users to watch TV shows, movies, and other media without downloading them.

Lifestyle Segmentation

A marketing strategy that divides the market based on the interests, activities, and opinions of consumers, to tailor products and communications.