Jacki Is Conducting a Study That Examines the Effects of Multi-Vitamins

question 64

Multiple Choice

Jacki is conducting a study that examines the effects of multi-vitamins on common cold symptoms. She hopes to generalize her findings to the school-age population of children in a specified region in her state. She knows the population of children is 9,000. She is going to do a survey study and decides to sample 7000 children. Regarding Jacki's sample we know that

• A) it is substantially too small.
• B) it is not representative.
• C) it will result in large sampling bias.
• D) it is substantially too big.

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Definitions:

Laffer Curve

A theoretical representation of the relationship between government revenue raised by taxation and the rate of taxation, suggesting an optimal tax rate for maximizing revenue.

Progressive Income Tax

A tax system where the tax rate increases as the taxable amount increases, meaning higher income earners pay a larger percentage of their income in taxes compared to lower income earners.

Progressive Income Tax

A tax system where the tax rate increases as the taxable amount increases, placing a higher financial burden on wealthier individuals.

Regressive Income Tax

A tax system where the tax rate decreases as the taxable amount increases, placing a higher relative burden on lower-income earners.