In 1900, One American in ______ Was Over Age 65

question 257

Multiple Choice

In 1900, one American in ______ was over age 65.

• A) 10
• B) 20
• C) 30
• D) 40

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between certain datasets or populations being compared.

High School GPA

An average score representing a high school student's academic performance, usually on a 4.0 scale.

F-Ratio

Statistic used to test differences between group means.

α

In statistics, α (alpha) typically denotes the level of significance, the probability of rejecting the null hypothesis when it is true.