In a Sample of 100 People,57 Completed Only High School,23

question 30

Multiple Choice

In a sample of 100 people,57 completed only high school,23 went on to complete only some college,13 went on to complete a two-year or four-year college,and 7 went on to graduate school.What proportion of the sample does not have a two-year or four-year college degree?

• A)0.07
• B)0.13
• C)0.80
• D)0.87

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Definitions:

Proportion Of Successes

A statistical measure that calculates the ratio of successes in a set of observations to the total number of observations.

Z Test

Utilized to check for differences in the means of two populations, this statistical test requires that variances are known and that there is a considerable sample size.

Group 1

Typically refers to the first group or category in a study or classification system.

Sample Survey

A method used to gather information and data from a subset of a population to make inferences about the whole population without examining every individual.