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?
2. Draw Histogram 4 Marks
3. Find the probability that a student obtained 4 Marks
a. 0-10 % marks
b. 20-60% marks
c. 40-70% marks
d. 0-100% marks
4. Find the product of 4 Marks
a. Anshika and Vani marks by using
Nikhilam Anurupyena Sutra
b. % age of Anshika and Vani marks
by using Nikhilam Anurupyena Sutra
5. Answer the following; 4 Marks
a. What is the probability that the student is girl
b. What is the deviation of marks obtained by
Anshika and Vani in class VIII
Answers
Answered by
0
no idea....
Step-by-step explanation:
sryyy....
Answered by
1
Answer:
class size 10-0=10
Step-by-step explanation:
yes
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