Q4. Calculate the Mean and Mode for the following frequency distribution. (10) 0-10 10-20 20-30 30-40 40-50 50-60 Marks No. of students 10 25 30 20 10 Calculate the standard deviation for the following frequency distribution. 0-10 10-20 20-30 30-40 40-50 Age Group Weight (in kg) 2030 40 50 60 Show transcribed image text
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