Is standard deviation a measure of center or a measure of variation ?
A. measure of center
B. measure of variation

The IQR is a type of resistant measure. The second measure of spread or variation is called the standard deviation (SD).

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Numerical MeasureSensitive MeasureResistant Measure

Measure of CenterMeanMedian

Measure of Spread (Variation)Standard Deviation (SD)Interquartile Range (IQR)

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Step-by-step explanation:

The answer is "B" which is the measure of variation

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Step-by-step explanation:

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

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d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d