Welcome to your Class 10 Maths MCQs for Statistics

1.
[Statistics]

The abscissa of the point of intersection of the less than type and of the more than type cumulative frequency of a grouped data gives its:

2.
[Statistics]

The mode and mean is given by 7 and 8, respectively. Then the median is:

3.
[Statistics]

If the arithmetic mean of x, x + 3, x + 6, x + 9 and x + 12 is 10, then x = ?

4.
[Statistics]

The mean of the data: 4, 10, 5, 9, 12 is;

5.
[Statistics]

While computing mean of the grouped data, we assume that the frequencies are:

6.
[Statistics]

If the mean of first n natural numbers is 5n/9, then n =?

7.
[Statistics]

If x1, x2, x3,….., xn are the observations of a given data. Then the mean of the observations will be:

8.
[Statistics]

If the mean of frequency distribution is 7.5 and ∑fi xi = 120 + 3k, ∑fi = 30, then k is equal to:

9.
[Statistics]

The median of the data 13, 15, 16, 17, 19, 20 is:

10.
[Statistics]

If the mean of first n natural numbers is 3n/5, then the value of n is

11.
[Statistics]

If AM of a, a+3, a+6, a+9 and a+12 is 10, then a is equal to;

12.
[Statistics]

The Median when it is given that mode and mean are 8 and 9 respectively, is:

13.
[Statistics]

The class interval of a given observation is 10 to 15, then the classmark for this interval will be:

14.
[Statistics]

If 35 is removed from the data, 30, 34, 35, 36, 37, 38, 39, 40 then the median increases by:

15.
[Statistics]

If the sum of frequencies is 24, then the value of x in the observation: x, 5,6,1,2, will be;