Mathematics

Mathematics, 27.07.2019 17:30, ozzy1146

Find the standard deviation of 243, 259, 246, 235, 240, and 253. a) 7.8 b)8.0 c)8.9 d)8.6

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Mathematics, 24.06.2019 22:30, mj1226

Select all of the true statements about the standard deviation of a quantitative variable. standard deviation is resistive to unusual values. standard deviation represents how far a group of values are from the mean of those values, on average. the standard deviation of a set of values is equal to 00 if and only if all of the values are the same. changing the units of a set of values (e.g., converting from inches to feet) does not affect its standard deviation. standard deviation is always a nonnegative value. if a set of values has a mean of 00 and a standard deviation that is not 0,0, then adding a new data point with a value of 00 will have no effect on the standard deviation.

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Mathematics, 05.07.2019 14:00, reetajmahfouz3816

Use a calculator to find the mean and standard deviation of the data. round to the nearest tenth. 20, 16, 18, 9, 20, 16,14 question 2 options: mean = 16; standard deviation = 12.7 mean = 16.1; standard deviation = 12.7 mean = 15.9; standard deviation = 3.6 mean = 16.1; standard deviation = 3.6

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Mathematics, 30.07.2019 14:10, Inrimid3619

The random variable x represents the number of credit cards that adults have along with the corresponding probabilities. find the mean and standard deviation. x p(x) 0 0.07 1 0.68 2 0.21 3 0.03 4 0.01 a.mean: 1.23; standard deviation: 0.44 b.mean: 1.30; standard deviation: 0.32 c.mean: 1.30; standard deviation: 0.44 d.mean: 1.23; standard deviation: 0.66

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Find the standard deviation of 243, 259, 246, 235, 240, and 253. a) 7.8 b)8.0 c)8.9 d)8.6...

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