X Maths Mean median mode and Ogive(Statics)
Q.1. find the mean of the following frequency distribution: - Ans. 25.2 (2) Class 0-10 10-20 20-30 30-40 40-50 Frequency 8 12 10 11 9 aQ.2. find the mode of the following data. Ans.52 (2) Class 0-20 20-40 40-60 60-80 Frequency 15 6 18 10 Q.3. the mean of the following frequency distribution is 50. Find the value of P. Ans.P=52 (3) Class 0-20 20-40 40-60 60-80 80-100 Frequency 17 28 32 P 19 Q.4. compute the median. Ans. 46.5 (3) Weight in (kg) Less than 38 Less than 40 Less than 42 Less than 44 Less than 46 Less than 48 Less than 50 Less than 52 Number of ...