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(b) Grouped Data: Make a frequency table using four classes. Then estimate the mean and sample standard deviation using the frequency table. Compute a 75%

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(b) Grouped Data: Make a frequency table using four classes. Then estimate the mean and sample standard deviation using the frequency table. Compute a 75% Chebyshev interval centered about the mean. (c) If you have a statistical calculator or computer, use it to find the actual sample mean and sample standard deviation

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