These are the means and standard deviations for samples of prices from two

different brands of shoes

Brand A

Mean: $50

Standard deviation: $5

Brand B

Mean: $40

Standard deviation: $8

Select the two true statements,

A. Brand A has a higher average price than brand B.

B. Brand A's prices are more spread out than brand B's prices.

C. Brand A has a lower average price than brand B.

D. Brand A's prices are less spread out than brand B's prices,

A. Brand A has a higher average price than brand B.

D. Brand A's prices are less spread out than brand B's prices.

Step-by-step explanation:

We are given the means and standard deviations for samples of prices from two  different brands of shoes below;

 Brand A                                                                  Brand B

Mean : $50                                                           Mean : $40

Standard deviation : $5                                  Standard deviation : $8    

Now, from the given statements;

Statement A is correct that Brand A has a higher average price than brand B because as given above Mean of Brand A ($50) > Mean of Brand B ($40).

Also, Statement D is correct that Brand A's prices are less spread out than brand B's prices because the Variance of Brand A is less than the variance of Brand B, i.e.;

    Variance of Brand A = = $25

    Variance of Brand B = = $64

Clearly, $25 < $64, so statement D is also correct.

Therefore, the two true statements are Statement A and Statement D.

answer: procent 54 wynosi 33,33%

black/brown

step-by-step explanation:

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