Data Handling Class - VIII

Look at the histogram given below and answer the question:

How many teachers are of age 40 years or more but less than 55 years?

• 21

• 10

• 13

• 9

The histogram given below shows the number of literate females in the age group of 10 to 40 years. Study the histogram carefully and answer the question :

In which age group is the number of literate females the highest?

• 10-15

• 15-20

• 20-25

• 35-40

_________ of an observation is the number of times a certain value or a class of values occurs.

• Distribution

• Observation

• Frequency

• Discrete

_________ is the difference between the upper and the lower values of a class.

• Grouping

• Limit

• Interval

• Class size

The final marks in mathematics of 30 students are as follows:

53,61,48,60,78,68,55,100,67,90,75,88,77,37,84,58,60,48,62,56,44,58,52,64,98,59,70,39,50,60

What is the range?

• 100

• 63

• 37

• 73

Following figures relate to the weekly wages (in Rs) of 15 workers in a factory:

300, 250, 200, 250, 200, 150, 350, 200, 250, 200, 150, 300, 150, 200, 250

How many workers are getting the minimum wages?

• 5

• 4

• 3

• 1

The following marks obtained by 25 students in a history test in class VIII of a school:

9, 17, 12, 20, 9, 18, 25, 17, 19, 9, 12, 9, 12, 18, 17, 19, 20, 25, 9, 12, 17, 19, 19, 20, 9

Which mark is occurring more frequently?

• 17

• 19

• 12

• 9

A die was thrown 25 times and following scores were obtained:

1,5,2,4,3,6,1,4,2,5,1,6,2,6,3,5,4,1,3,2,3,6,1,5,2

Which of the two scores have maximum frequency ?

• 3, 4

• 1, 2

• 5, 6

• 3, 5