MEDIUM
10th CBSE
IMPORTANT
Earn 100

The mode of the following data is 36. Find the missing frequency in it.

Class interval 0-10 10-20 20-30 30-40 40-50 50-60 60-70
Frequency 8 10 16 12 6 7

50% studentsanswered this correctly

Important Questions on Statistics

MEDIUM
10th CBSE
IMPORTANT

Find the missing frequency x of the following data if its mode is 240.

Expenditure 0-100 100-200 200-300 300-400 400-500
Number of families 140 230 270 x 150
MEDIUM
10th CBSE
IMPORTANT

The following table shows the age distribution of cases of a certain disease admitted during a year in a particular hospital:

Age (in years) 5-14 15-24 25-34 35-44 45-54 55-64
Number of cases 6 11 21 23 14 5

Find the average age for which maximum cases occurred.

MEDIUM
10th CBSE
IMPORTANT

The following table shows the ages of the patients admitted in a hospital during a year:

Age (in years) 5-15 15-25 25-35 35-45 45-55 55-65
Number of patients 6 11 21 23 14 5

Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency. 

MEDIUM
10th CBSE
IMPORTANT

The following frequency distribution gives monthly consumption of electricity of 68 consumers of a locality. Find the mean and mode of the data and compare them:

Monthly consumption 65-85 85-105 105-125 125-145 145-165 165-185 185-205
Number of consumers 4 5 13 20 14 8 4
MEDIUM
10th CBSE
IMPORTANT

Find the median of the following frequency distribution:

Class interval 0-10 10-20 20-30 30-40 40-50 50-60
Frequency 3 6 8 15 10 8
MEDIUM
10th CBSE
IMPORTANT

Find the median of the following frequency distribution:

Class interval 0-7 7-14 14-21 21-28 28-35 35-42 42-49
Frequency 3 4 7 11 0 16 9
MEDIUM
10th CBSE
IMPORTANT

Find the median of the following frequency distribution (up to one decimal place):

Class interval 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-45
Frequency 5 6 15 10 5 4 2

2

MEDIUM
10th CBSE
IMPORTANT

Find the mode of the following frequency distribution:

Class interval 0-100 100-200 200-300 300-400 400-500
Frequency 40 32 48 22 8

Note: This question given in the book seems to have errors and the modified question should be as given below.

Find the median of the following frequency distribution:

Class interval 0-100 100-200 200-300 300-400 400-500
Frequency 40 32 48 22 8