An Elementary School Claims That the Standard Deviation in Reading

question 39

Multiple Choice

An elementary school claims that the standard deviation in reading scores of its fourth grade students is less than 3.75. Determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed.

• A)left-tailed
• B)right-tailed
• C)two-tailed

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Definitions:

Modern Societies

Refers to nations or societies that are industrialized and have a high level of development in terms of economic prosperity, technological advancement, and social organization.

Lower Class

A socioeconomic group often characterized by low income, limited educational attainment, and restricted access to resources and opportunities.

Formal Education

Education that is structured and provided by formal institutions like schools, colleges, and universities.

Working Poor

Individuals who are employed yet live in conditions of poverty due to low wages and limited work hours.