(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% m(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 draw histro graph
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