A New Fiber Bar Is Advertised to Curb Hunger for Three

question 19

Multiple Choice

A new fiber bar is advertised to curb hunger for three hours. A sample of fourteen hungry subjects was asked to record their level of hunger before eating the fiber bar and again three hours after eating the fiber bar. Which of the following is a better method for testing whether there is a difference in the level of hunger three hours after eating the fiber bar (i.e. the fiber bar curbed hunger for three hours) ?

• A)Data transformation and t-confidence interval of transformed data
• B)Paired t-test
• C)Sign Test
• D)Mann-Whitney Test

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Definitions:

Sales Growth

An increase in the amount of products or services sold by a company over a specific period, often expressed as a percentage.

Retail Chain

A network of retail outlets operated by the same company, offering the same or similar products or services.

Canada

A country located in the northern part of North America, known for its vast landscapes, multicultural population, and bilingual French and English culture.

Mean

The average of a set of numbers, calculated by summing all the numbers and then dividing by the count of the numbers.