The lengths (in seconds) of the eight most recent songs played on 98.9 FM WCLZ and WCLZ.com (Portland, ME) at 1:28 p.m. on Wednesday July 20, 2011 were as follows:
Calculate the range, variance, and standard deviation.
Answer to relevant QuestionsFollowing are the temperatures (in degrees Fahrenheit) observed during eight wintry days in a Midwestern city: Compute the range, variance, and standard deviation. The following data are the ages (in years) of six students. Calculate the standard deviation. Is its value zero? If yes, why? Using the sample formulas, find the mean, variance, and standard deviation for the grouped data displayed in the following table. Explain the relationships among the mean, median, and mode for symmetric and skewed histograms. Illustrate these relationships with graphs. The mean time taken by all participants to run a road race was found to be 220 minutes with a standard deviation of 20 minutes. Using Chebyshev’s theorem, find at least what percentage of runners who ran this road race ...
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