A Crystal Ball with a Diameter of 18 Inches Is

question 93

Multiple Choice

A crystal ball with a diameter of 18 inches is being packaged for shipment. If the crystal ball is placed inside a circular cylinder with radius 9 inches and height 18 inches, how much volume will need to be filled with padding? (The volume of a sphere with radius r is and the volume of a right circular cylinder with radius r and height h is .)

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Definitions:

Parametric Tests

Statistical tests that make assumptions about the parameters of the distribution(s) from which one's data are drawn.

Wilcoxon Rank Sum Test

A nonparametric statistical hypothesis test used for comparing two independent samples to assess whether their population mean ranks differ.

Un-standardized Test Statistic

An un-standardized test statistic measures the degree of deviation from the null hypothesis without adjusting for scale or variability in the data.

Standardized Test Statistic

A value calculated from sample data that is used to assess the viability of a null hypothesis in the context of a significance test.