Find the Variance and the Standard Deviation (Correct to Two $5,6,6,7,8,9,16,20$

question 146

Multiple Choice

Find the variance and the standard deviation (correct to two decimal places) of the following data set. $5,6,6,7,8,9,16,20$

• A) variance: \(25.73\) standard deviation: \(5.07\)
• B) variance: \(5.07\) standard deviation: \(25.73\)
• C) variance: \(25.73\) standard deviation: \(662.26\)
• D) variance: \(92.64\) standard deviation: \(25.73\)
• E) variance: \(9.63\) standard deviation: \(3.10\)

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Definitions:

Quantity Theory

An economic theory that proposes a direct relationship between the quantity of money in an economy and the level of prices of goods and services.

Doubled

Refers to an increase by 100% or a situation where a quantity has become twice as large.

Quantity Theory

The theory in economics that the quantity of money available in an economy is the major determinant of the economic activity level, prices, and inflation.

Crude Quantity

An initial, unrefined estimate of the amount or volume of a substance or material.