Megan Is Looking for a Gift for Her Older Brother

question 172

Multiple Choice

Megan is looking for a gift for her older brother who enjoys reading mysteries.A book by one of his favorite authors was recently published and she plans to buy it.However,she is on a limited budget so she wants to find the lowest price.The most convenient way for Megan to find the best price for the book would be to

• A) drive to a large shopping center where there are several bookstores to see which store has the book at the lowest price.
• B) call all the bookstores in her community to inquire about the price of the book at each one.
• C) use a bot to comb the websites of online booksellers and locate the one with the best price.
• D) use a cookie to contact various bookstores and find the one with the best price.
• E) create a choiceboard using her gift-giving criteria.

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Definitions:

F Distribution

A probability distribution used in statistics to compare variances among samples, often employed in the analysis of variance (ANOVA).

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or calculation.

Area

The measure of the extent of a two-dimensional surface or shape, in square units.

Student T Distribution

A probability distribution used in statistics for estimating population parameters when the sample size is small and the population variance is unknown.