In Developing an Interval Estimate for the Population Mean

question 186

True/False

In developing an interval estimate for the population mean , the population standard deviation was assumed to be 6. The interval estimate was 45.0 1.5. Had equalled 12, the interval estimate would be 90 3.

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Definitions:

Nannie Helen Burroughs

An African American educator, orator, religious leader, and businesswoman, known for her activism for women's rights and the education of black children, founding the National Training School for Women and Girls in Washington, D.C., in 1909.

War Department

Former name for what is now the Department of Defense in the United States, responsible for military affairs until it was restructured in 1947.

Lynching

A form of violence in which a mob, without legal authority, kills someone, often by hanging, for an alleged offense with or without a legal trial.

American Federation

An umbrella organization for U.S. unions, representing overall labor interests.