MEDIUM
10th ICSE
IMPORTANT
Earn 100

Find the median of the given  frequency distribution.

x 1 2 3 4 5 6 7 8 9 10
y 2 3 6 8 16 12 10 13 9 15

50% studentsanswered this correctly

Important Questions on Statistics

HARD
10th ICSE
IMPORTANT

Calculate the median from the given distribution.

Class 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-45
frequency 5 6 15 16 5 4 2 2
HARD
10th ICSE
IMPORTANT

The maximum bowling speed (in km/hr )of 33 players at a cricket coaching centre are given below

Speed(in km/hr) 85-100 100-115 115-130 130-145
Number of players 11 9 8 5

Calculate the median bowling speed in km/hr.

HARD
10th ICSE
IMPORTANT

Find the median for the following data.

height(in cm)(less than) 120 140 160 180 200
number of students 12 26 34 40 50

 

HARD
10th ICSE
IMPORTANT

The weights(in kg)of 45 students of a class are given in the following distribution table. Determine the value of weight x(kg) which is such that the number of students having weight less than x kg is same as the number of students having weight more than x kg.

Weight (in kg) Cumulative frequency
Below 45 5
Below 50 11
Below 55 15
Below 60 22
Below 65 38
Below 70 45
HARD
10th ICSE
IMPORTANT

Compute the median marks for the following data.

Marks Number of students
0 and above 50
10 and above 46
20 and above 40
30 and above 20
40 and above 10
50 and above 3
60 and above 0

 

HARD
10th ICSE
IMPORTANT

If the median of the following frequency distribution is 24, then find the missing frequency x.

Age (in years) 0-10 10-20 20-30 30-40 40-50
Number of persons 5 25 x 18 7
HARD
10th ICSE
IMPORTANT

If the median of the following frequency distribution is 35, then find the value of x.

Class interval 0-10 10-20 20-30 30-40 40-50 50-60 60-70
Frequency 2 3 x 6 5 3 2
HARD
10th ICSE
IMPORTANT

If the median of the following distribution is 58 and the sum of all the frequencies is 140. Find the values of x and y.

Variable 15-25 25-35 35-45 45-55 55-65 65-75 75-85 85-95
Frequency 8 10 x 25 40 y 15 7