Mathematics

Mathematics, 01.08.2019 23:00, weirdest16

Is it possible to create a data set where the standard deviation is a negative number? if so, give an example?

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Mathematics, 08.10.2019 23:00, amberell1234

Create a set of 5 points that are very close together and record the standard deviation. next, add a sixth point that is far away from the original 5 and record the new standard deviation.what is the impact of the new point on the standard deviation? do not just give a numerical value for the change. explain what happened to the standard deviation in words. (4 points)b) create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1. use the second chart to create a second data set with 8 points that has a mean of approximately 10 and a standard deviation of approximately 4. what did you do differently to create the data set with the larger standard deviation? (4 points)

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Mathematics, 10.10.2019 03:10, egirl31

Which of the following is not a property of the standard deviation? choose the correct answer below. a. the value of the standard deviation is never negative. b. when comparing variation in samples with very different means, it is good practice to compare the two sample standard deviations. c. the units of the standard deviation are the same as the units of the original data. d. the standard deviation is a measure of variation of all data values from the mean.

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