Statistics Test

Result

Statistics Test - 1

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Weekly Quiz Competition

Question 1
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What is the frequency for the age group 60 – 70 in the table given below?

Age group Cumulative Frequency

30 – 40 4

40 – 50 9

50 – 60 15

60 – 70 22

70 – 80 30

A
8

B
18

C
7

D
22

Solution

The frequency for the age group 60 – 70
= [Cumulative frequency of class interval 60 – 70] – [Cumulative frequency of class interval 50 – 60]
= 22 – 15 = 7
Question 2
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Directions For Questions

Answer the question based on the table given below.

Age group Cumulative Frequency

30 – 40 4

40 – 50 9

50 – 60 15

60 – 70 22

70 – 80 30

...view full instructions

What is the frequency for the age group 40 – 50?

A
6

B
5

C
9

D
10

Solution

The frequency for the age group 40 – 50 = [Cumulative frequency of class interval 40 – 50] – [Cumulative frequency of class interval 30 – 40]
= 9 – 4 = 5
Question 3
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Directions For Questions

Answer the question based on the table given below.

Age Group Cumulative Frequency

30 - 40 4

40 - 50 9

50 - 60 15

60 - 70 22

70 - 80 30

...view full instructions

What is the class size of each age group in the given table?

A
10

B
5

C
50

D
35

Solution

Class size of each age group = Upper limit - Lower limit
= 40 - 30 = 10
Question 4
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Directions For Questions

Answer the question based on the following data.

The marks obtained by 20 students of a class in a mathematics test are as follows:

45 35 60 32 31 52 31 45 39 55

60 52 38 45 31 32 45 62 52 35

...view full instructions

What is the frequency of students who obtained 52 marks?

A
2

B
3

C
6

D
7

Solution

The frequency of students who obtained 52 marks is 3 as the number 52 occurs 3 times in the given data.
Question 5
1 / -0

Directions For Questions

Answer the question based on the following data.

The marks obtained by 20 students of a class in a Mathematics test are as follows:

45 35 60 32 31 52 31 45 39 55

60 52 38 45 31 32 45 62 52 35

...view full instructions

What is the frequency of students who obtained the highest marks?

A
6

B
3

C
1

D
2

Solution

The highest marks are 62 and the number 62 occurs only once in the given data.
∴ The frequency of the highest marks is 1.

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Question Analysis

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Re-Attempt Weekly Quiz Competition

Age group	Cumulative Frequency
30 – 40	4
40 – 50	9
50 – 60	15
60 – 70	22
70 – 80	30

Age Group	Cumulative Frequency
30 - 40	4
40 - 50	9
50 - 60	15
60 - 70	22
70 - 80	30

Statistics Test - 1

Result

Statistics Test - 1

Score

-

Rank

-

SHARING IS CARING

Question 1

8

18

7

22

Solution

Question 2

6

5

9

10

Solution

Question 3

10

5

50

35

Solution

Question 4

2

3

6

7

Solution

Question 5

6

3

1

2

Solution

User

Question Analysis

My Perfomance

Score

-

Rank

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