Monica Is Gathering Data for a Client's Blood Drive

question 18

Multiple Choice

Monica is gathering data for a client's blood drive. She collects demographic statistics on blood donors in the area, the number of e-mail accounts that have received an invitation, and the number of people who respond to a Facebook invitation. The data she is gathering are known as ___________ research.

• A) Complex
• B) Ineffective
• C) Quantitative
• D) Qualitative

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Definitions:

Two-tailed Test

A statistical hypothesis test in which the area of rejection is on both tails of the sampling distribution, allowing for testing of non-directional hypotheses.

Independent Populations

Populations that have no interaction or relationship with each other, allowing for comparisons without interference.

Means

The average of a set of numbers, calculated by dividing the sum of all the values by the count of the values.

Equal-variances Test

A statistical test used to check if two populations have equal variances.