You and a Friend Want to Estimate the Proportion of Undergraduates

question 38

Multiple Choice

You and a friend want to estimate the proportion of undergraduates at a college who favor eliminating evening exams. Your friend will choose a simple random sample of 250 students. If you choose a simple random sample of 1000 students, your sample proportion

• A) will have the same mean and the same standard deviation.
• B) will have smaller bias and the standard deviation will be 1/4 as large.
• C) will have smaller bias and the standard deviation will be 1/2 as large.
• D) will have the same mean and the standard deviation will be 1/4 as large.
• E) will have the same mean and the standard deviation will be 1/2 as large.

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Definitions:

Healthy Diet

A balanced nutritional intake that supports growth, maintenance, and overall health.

Sexual Identity

An individual's identification with certain sexual orientations, preferences, practices, and roles, as part of their overall sense of identity.

Sexual Desire

The emotional or mental interest in sexual objects or activities, or the wish to engage in sexual activities.

Ethnic Identity

A person's sense of belonging to a particular ethnic group, including the culture, traditions, and language associated with that group.