Listed below are the salaries, in $000, for a sample of 15 chief financial officers in the electronics industry. $ 516.0 $ 548.0 $ 566.0 $ 534.0 $ 586.0 $ 529.0 546.0 523.0 538.0 523.0 551.0 552.0 486.0 558.0 574.0 click here for the excel data file determine the mean, median, and the standard deviation.

Mean = $542.00

Median = $546.00

Standard deviation = $25.08

Step-by-step explanation:

Mean

Mean = $542.00

Median

Arrange all numbers in ascending order

486516523523529534538546548551552558566574586

Here the number of elements is odd so the middle one is picked.

So, median is $546.00

Standard deviation

∴ Standard deviation is $25.08

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correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,