EASY
9th ICSE
IMPORTANT
Earn 100

Draw a histogram of the following data,

Class-interval 25-35 35-45 45-55 55-65 65-75
Frequency 10 15 25 20 5

 

Important Questions on Statistics

EASY
9th ICSE
IMPORTANT

Draw the histogram of the following;

I.Q score 80-90 90-100 100-110 110-120 120-130 130-140
no. of students 6 9 `16 13 4 2
MEDIUM
9th ICSE
IMPORTANT

Draw the frequency polygon for the following frequency distribution:

Class - interval Frequency class- interval Frequency
0-10 5 40-50 10
10-20 7 50-69 11
20-30 7 60-70 12
30-40 8 70-80 8

 

HARD
9th ICSE
IMPORTANT

Draw the histogram and frequency polygon from the following data:

Class-Interval 20-25 25-30 30-35 35-40 40-45 45-50
Frequency 24 30 52 46 28 10

 

HARD
9th ICSE
IMPORTANT

Marks obtained by 40 students in an examination are given below:

65,57,11,46,42,61,8,48,66,41,40,0,88,77,70,78,20,2,84,60,31,24,32,40,50,49,34,25,55,75,75,89,10,5,11,24,49,38,65,53.

Taking class intervals 0-10,10-20,20-30..... etc construct a frequency table, using this table, draw a combined histogram and frequency - polygon.

EASY
9th ICSE
IMPORTANT

Draw a bar chart for the given data:

mode of traveling school bus walking bicycle other vehicles
no. of students 180 60 120 40

 

EASY
9th ICSE
IMPORTANT

Draw a histogram to represent the following data:

class - interval 30-35 35-40 40-45 45-50 50-55 55-60
frequency 20 15 25 30 10 5

 

MEDIUM
9th ICSE
IMPORTANT

Draw a frequency polygon to represent the following data :

class -- interval 30-34 35-39 40-44 45-49 50-54 55-59
Frequency 12 16 20 8 10 4

 

HARD
9th ICSE
IMPORTANT

Draw a histogram and frequency poygon in the same graph to represent the following data:

class - interval 140-145 145-150 150-155 155-160 160-165 165-170
frequency 25 30 20 15 35 40