Draw an ogive on the graph paper after calculating the cumulative frequency (less than type) of the following data: Class Interval Frequency 0 - 10 1 10 - 20 5 20 - 30 15 30 - 40 20 40 - 50 15 50 - 60 6 60 - 70 1

The median of following data is 32. Find the value of x and y if x + y = 100. Class Interval Frequency 0 - 10 10 10 - 20 x 20 - 30 25 30 - 40 30 40 - 50 y 50 - 60 10

Mode = 2 × Median – 3 × Mean.

x is the mean of (p + q) numbe ₹ If y be the mean of p numbers, then mean of remaining q numbers is ______.

Find the median of the data from the following distribution. Marks Obtained No. of Students Less than 10 8 Less than 20 15 Less than 30 29 Less than 40 42 Less than 50 60 Less than 60 70

Find the mode from the following data. Class Interval Frequency 0 - 5 2 5 - 10 6 10 - 15 10 15 - 20 16 20 - 25 22 25 - 30 11 30 - 35 8 35 - 40 5

Find the mode of the following frequency distribution : Class Frequency 50 - 59 5 60 - 69 20 70 - 79 40 80 - 89 50 90 - 99 30 100 - 109 6

If the arithmetic mean and total frequency of the following distribution are 50 and 120 respectively, then find the value of f1 and f2: Class Frequency 0 - 20 17 20 - 40 f1 40 - 60 32 60 - 80 f2 80 - 100 19

The age of 100 persons present in a workshop is given in the following table. Find the average age of 100 people (by any method): Age Group Number of People 10 - 20 8 20 - 30 12 30 - 40 20 40 - 50 22 50 - 60 18 60 - 70 20

State True or False: The average of n numbers is x̄. If the sum of first (n−1) numbers is K, then nth number is (n−1) x̄ + K.

If A and M be the arithmetic mean and median of first ten natural numbers, then relation between them will be - (a) A > M (b) A < M (c) A = (d) A = M

State True or False: The Mode of the data 5, 2, 4, 3, 5, 2, 5, 2, 5, 2 is 2.