Find the Coefficient of Variation for Each of the Two

question 9

Multiple Choice

Find the coefficient of variation for each of the two sets of data, then compare the variation. Round results to one
decimal place.
-Compare the variation in heights to the variation in weights of thirteen-year old girls. The heights (in inches) and weights (in pounds) of nine randomly selected thirteen-year old girls are listed below. $\begin{array} { l l l l l l l l l l } \text { Heights (inches) : } & 59.3 & 61.2 & 62.6 & 64.7 & 60.1 & 58.3 & 64.6 & 63.7 & 66.1 \\\text { Weights (pounds) : } &86 & 97 & 93 & 119 & 96 & 90 & 123 & 98 & 139 \end{array}$

• A)Heights: 4.3% Weights: 17.2%
• There is substantially more variation in the weights than in the heights of the girls.
• B)Heights: 4.1% Weights: 16.4%
• There is substantially more variation in the weights than in the heights of the girls.
• C)Heights: 3.9% Weights: 15.4%
• There is substantially more variation in the weights than in the heights of the girls.
• D)Heights: 11.5% Weights: 6.5%
• There is substantially more variation in the heights than in the weights of the girls.

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Definitions:

Goods and Services

The tangible and intangible items that satisfy human wants and needs, which are produced and consumed by individuals and businesses.

Consumption Expenditures

The total amount spent by households on goods and services for personal use.

Government Expenditures

The total amount spent by the government, including spending on goods, services, and public works, and transfer payments.

GDP Components

The parts that make up Gross Domestic Product, generally categorized as consumption, investment, government spending, and net exports.