A Market Researcher Is Studying the Use of Coupons by Consumers

question 28

Multiple Choice

A market researcher is studying the use of coupons by consumers of varying ages.She classifies consumers into four age categories and counts the number of grocery store customers who use at least one coupon during check out.It is expected that data are uniformly distributed across the four age categories.The observed data results in frequencies of 22, 35, 32, and 21.Using $\alpha$ = .05, the appropriate decision is _______.

• A)do not reject the null hypothesis that the observed distribution is uniform
• B)do not reject the null hypothesis that the observed distribution is not uniform
• C)reject the null hypothesis that the observed distribution is uniform
• D)reject the null hypothesis that the observed distribution is not uniform
• E)do nothing

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Definitions:

United States

A country located in North America, known for its diverse population, significant cultural influence globally, and as a federal republic composed of 50 states.

Psychoneuroimmunology

An interdisciplinary field studying the interactions between psychological processes, the nervous system, and the immune system.

Stress

A physical, mental, or emotional factor that causes bodily or mental tension, stemming from any event or thought that makes one feel frustrated, angry, or nervous.

Immune System

A complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign pathogens.