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Earn +20 ptsQ: What does 21 mean?
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What is the mean of the data set 21 25 21 19 16 18 19 19 16 24 21 21 17 26 20 23 20 21 20?
20.37 is the mean.
What is the geometric mean and the arithmetic mean of 7 x sqrt3 and 21 x sqrt3?
The arithmetic mean is simply (7+21)sqrt(3)/2 = 14sqrt(3) = 24.25 (to 2 d.p.) The geometric mean is sqrt [ 7sqrt(3) x 21sqrt(3) ] = sqrt [ 7 x 21 x 3 ] = sqrt [21 x 21] = 21
What is the mean of 21 19 12 18 and 20?
Mean (12, 18, 19, 20, 21) = 18
What is the mean median and mode of 16 21 20 19 21 78 18 2 1 20?
Mean = 21.6 Median = 19.5 Mode = 20 and 21 ------------------------------------------------------------------------ If the "2 1" (between 18 and 20 at the end) is supposed to be "21" then Mean = 26 Median = 20 Mode = 20
What percent of 17 is 21?
21 is 1.2352 percent of 17. Just in case you mean the opposite: 17 is .809 percent of 21.
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