Question: Given the following frequency distribution for n= 100. a. Approximate the mean b. Approximate the standard deviation Class intervals Frequency 0-under 10 20 10 under

Given the following frequency distribution for n= 100. a. Approximate the

Given the following frequency distribution for n= 100. a. Approximate the mean b. Approximate the standard deviation Class intervals Frequency 0-under 10 20 10 under 20 20 20-under 30 20 30-under 40 10 40-under 50 30 100 a. X=(Type an integer or a decimal.) (Round to two decimal places as needed.) b. Sa

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