The Mean Number of Pets Per Household Is 3

question 69

Multiple Choice

The mean number of pets per household is 3.33 with standard deviation 1.6. A sample of 53 households is drawn. Find the 78th percentile of the sample mean.

• A) 4.35
• B) 3.50
• C) 4.20
• D) 2.89

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Definitions:

Persuasive Speech

A form of communication aimed at convincing the audience to adopt a particular viewpoint or take a specific action.

Cognitive Dissonance Theory

A theory suggesting that individuals experience discomfort (dissonance) when their beliefs or behaviors are inconsistent, leading them to make changes to reduce this discomfort.

Unhealthy Behaviors

Actions or habits that are detrimental to physical or mental health, such as smoking, poor diet, and lack of exercise.

Confirmation Bias

The bias towards identifying, decoding, choosing, and memorizing details in a manner that validates one's preconceived ideas or suppositions.