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Find the mean of the following frequency...

Find the mean of the following frequency distributions: Class interval:  25-35    35-45    45-55    55-65    65-75 Frequency:           6          10          8           12          4

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Find the mean of the following frequency distributions: Class interval: 0-6 6-12 12-18 18-24 24-30 Frequency: 6 8 10 9 7

Find the mean of the following frequency distributions: Class interval: 0-6 6-12 12-18 18-24 24-30 Frequency: 6 8 10 9 7

Find the mean of the following frequency distributions: Class interval: 0-6 6-12 12-18 18-24 24-30 Frequency: 7 5 10 12 6

Find the mean of the following frequency distributions: Class interval: 0-6 6-12 12-18 18-24 24-30 Frequency: 7 5 10 12 6

Write the modal class for the following frequency distribution: Class-interval: 10-15 15-20 20-25 25-30 30-35 35-40 Frequency: 30 35 75 40 30 15

Write the modal class for the following frequency distribution: Class-interval: 10-15 15-20 20-25 25-30 30-35 35-40 Frequency: 30 35 75 40 30 15

Calculate the mean deviation about the mean for the following frequency distribution Class interval 0-4,4-8,8-12,12-16,16-20 Frequency 4,6,8,5,2

Calculate the mean deviation about the mean for the following frequency distribution Class interval 0-4,4-8,8-12,12-16,16-20 Frequency 4,6,8,5,2

Calculate the mean, median and standard deviation of the following distribution: Class interval 31-35 36-40 41-45 46-50 51-55 56-60 61-65 66-70 Frequency: 2 3 8 12 16 5 2 3