A Sample of 250 Adults Tried the New Multigrain Cereal

question 59

Multiple Choice

A sample of 250 adults tried the new multigrain cereal Wow! A total of 187 rated it as excellent. In a sample of 100 children,66 rated it as excellent. Using the 0.1 significance level,the researcher wishes to show that adults like the cereal better than children. What is the pooled proportion?

• A)0.723
• B)1.408
• C)0.494
• D)0.807

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Definitions:

Qualitatively

Pertaining to or concerned with descriptions and distinctions made in terms of qualities rather than quantitative measurements.

Hypothesis Testing

A method used in scientific research to determine if there is sufficient evidence to support a predicted relationship or effect.

Replicate Previous Research

Replicating previous research involves conducting a new study based on the methodology of an existing study to validate or challenge its findings.

Committed Fraud

Refers to the act of deliberately deceiving someone in order to gain an unfair or illegal advantage, often financial.