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The following data are the number of calls 20 customer sustain reps took in one hour:
10, 10, 15, 18, 20, 21, 22, 24, 24, 25, 26, 26, 26, 28, 30, 31, 33, 38, 40, 42
Find out the:
b. Standard Variance
c. Standard Deviation
Statistics and Probability, Statistics
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Experiments on learning in animals sometimes measure how long it takes a mouse to find its way through a maze. Long experience indicates that the mean time is 20 seconds for one particular maze. A researcher thinks that ...
According to Pew Research Center, 71% of Internet users accessed video-sharing sites in August2011. A random sample of 50 Internet users was selected. Using the normal approximation to thebinomial distribution, what is t ...
Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions?
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