a. Calculate the coefficient of mean deviation from the mean and coefficient of mean deviation from the mode for the following frequency distribution: Class interval 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 Frequency 4 6 20 40 45 31 20 9 5
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Step 1
To calculate the mean, we need to find the midpoint of each class interval and multiply it by the corresponding frequency. Then, we sum up these values and divide by the total frequency. Midpoint of 0-10 class interval = (0 + 10) / 2 = 5 Midpoint of 10-20 class Show more…
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