Two Classes in Business Statistics Showed the Following Results on a Recent

question 26

Essay

Two classes in business statistics showed the following results on a recent test. $\begin{array}{lll}&\text { Class } 1 & \text { Class 2 }\\\text { Sample size } & 25 & 21 \\\text { Sample mean } & 82 & 84 \\\text { Sample standard deviation } & 6.2 & 7.6\end{array}$ Carry out a test to determine whether the difference in the variance of the scores on this test is due to chance variation or is statistically significant with a .02 level of significance.

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Definitions:

Agricultural Products

Goods produced from the cultivation of plants and rearing of animals, intended primarily for food, fiber, and other uses.

Vigorous Leadership

A style of leadership characterized by energy, enthusiasm, and a strong commitment to achieving goals.

Late-nineteenth-century Presidents

Leaders of the United States from 1869 to 1901 who faced issues like Reconstruction, industrialization, labor unrest, and expansion of territories.

Separate-but-equal Doctrine

A judicial principle upheld by the U.S. Supreme Court in the Plessy v. Ferguson case (1896) that legalized racial segregation as long as the separate facilities were equal in quality.