If 6, 8, 10, 12, 13, x are in increasing order and their mean and median are equal, then find the value of x.

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

The median of the numbers 8, 15, 10, 11, 7, 9, 11, 13 and 16 is _____.

Three values ​​of a variable are 4, 5 and 7, if their frequencies are p - 2, p + 1 and p - 1 respectively and the Mean is 5.4, then the value of p is:

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

Find the mean by any suitable method from the following frequency distribution table Class Interval Frequency 85 - 105 3 105 - 125 12 125 - 145 18 145 - 165 10 165 - 185 5 185 - 205 2

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

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 ______.

The mean of a frequency distribution is 7 and Σfx = 140, then find the value of Σf

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.