Find the mode of the following distribut...

Find the mode of the following distribution of marks obtained by 80 students: Marks obtained 0-10 10-20 20-30 30-40 40-50 No. of students 6 10 12 32 20

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Find the mode of the following frequency distribution of marks obtained by 50 students. Marks obtained 0−10 10−20 20−30 30−40 40−50 No. of students 5 12 20 10 3

Find the mean from the following frequency distribution of marks at a test in statistics: Marks (x) : 5 10 15 20 25 30 35 40 45 50 No. of students (f) : 15 50 80 76 72 45 39 9 8 6

Find the mean of the following frequency distribution, using step-deviation method: Class 0-10 10-20 20-30 30-40 40-50 Frequency 7 12 13 10 8

Find the mean of the following frequency distribution using step-deviation method. Class 0-10 10-20 20-30 30-40 40-50 Frequency 7 10 15 8 10

Find the mean of the following frequency distributions: Class interval: 0-10 10-20 20-30 30-40 40-50 Frequency: 9 12 15 10 14

If the median of the distribution given below is 28.5, find the value of x and y . Class interval: 0-10 10-20 20-30 30-40 40-50 50-60 No. of students: 5 x 20 15 y 5

If the median of the following frequency distribution is 28.5 find the missing frequencies: Class interval: 0-10 10-20 20-30 30-40 40-50 50-60 Total Frequency: 5 f_1 20 15 f_2 5 60

Find the mode of the following marks (out of 10) obtained by 20 students:4, 6, 5, 9, 3, 2, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9

Find the deviation from the mean and from median of the following distribution: Marks 0-10 10-20 20-30 30-40 40-50 No. of Students 5 8 15 16 6

Find the mode of the following distribution: (i) Class-interval: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Frequency: 5 8 7 12 28 20 10 10

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