Mathematics, 25.01.2020 02:31 bluedolphin9042
At a medical center, a sample of 20 days showed the following number of cardiograms done each day.
25 31 20 32 13 14 43 12 57 23 36 32 33 32 44 32 52 44 51 46
(a) find the sample mean x.
(b) construct a stem and leaf plot for the data.
(c) find the sample variance s^2 and the sample standard deviation
Answers: 3
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The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick
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At a medical center, a sample of 20 days showed the following number of cardiograms done each day. <...
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