Question

Following table shows the marks of Class-IX, Mathematics PT-2 result.

(Total students - 40, out of which Girls are 30 and Boys are 10)

Marks (%age) No. Of Students

0-10 4

10-20 6

20-30 2

30-40 3

40-50 5

50-60 3

60-70 2

70-80 10

80-90 3

90-100 2

TOTAL 40

The two students Vani and Anshika, who scored 90-100 % marks in PT-2, got very high marks

in their last class VIII as 495/500 (99%) and 455/500 (91%) respectively.

From observing the above table and data, answer the following questions;

1. Answer the following parts of this question? 4 Marks

a. What is the Class size ?

b. What is the Class Mark (80-90) ?

c. What is the Range (30-40) ?

d. How many students scored 80 and more than 80% marks?Following table shows the marks of Class-IX, Mathematics PT-2 result.

(Total students - 40, out of which Girls are 30 and Boys are 10)

Marks (%age) No. Of Students

0-10 4

10-20 6

20-30 2

30-40 3

40-50 5

50-60 3

60-70 2

70-80 10

80-90 3

90-100 2

TOTAL 40

The two students Vani and Anshika, who scored 90-100 % marks in PT-2, got very high marks

in their last class VIII as 495/500 (99%) and 455/500 (91%) respectively.

From observing the above table and data, answer the following questions;

1. Answer the following parts of this question? 4 Marks

a. What is the Class size ?

b. What is the Class Mark (80-90) ?

c. What is the Range (30-40) ?

d. How many students scored 80 and more than 80% marks?​

Answer 1

TOTAL 40

The two students Vani and Anshika, who scored 90-100 % marks in PT-2, got very high marks

in their last class VIII as 495/500 (99%) and 455/500 (91%) respectively.

From observing the above table and data, answer the following questions;

1. Answer the following parts of this question? 4 Marks

a. What is the Class size ?

b. What is the Class Mark (80-90) ?

c. What is the Range (30-40) ?

d. How many students scored 80 and more than 80% marks?