Question

MULTIPLE ASSESSMENT:
PREPARE A FREQUENCY DISTRIBUTION TABLE FOR THE GIVEN HISTOGRAM AND ANSWER THE
NEN QUESTIONS
35
30
25
20

15
10
5
oh
10 15 20 25 30
Class Interval
35 40
1. What is the class size in the above histogram?
2. Find the class mark of the dasses having minimum and maximum
frequency?
3. What is the upper limit of the third class?
4. What is the lower limit of the last class?
5. What is the total frequency?​

Answer 1

Answer:

Surface area of a sphere=4πr  

2

=154cm  

2

 

⇒4×  

7

22

​  

r  

2

=154cm  

2

 

⇒r  

2

=  

4

154

​  

×  

22

7

​  

 

⇒r  

2

=  

4

49

​  

 

⇒r=  

4

49

​  

 

​  

 

∴r=  

2

7

​  

=3.5cm

Volume of the sphere=  

3

4

​  

πr  

3

 

=  

3

4

​  

×  

7

22

​  

×(3.5)  

3

 

=  

21

88

​  

×42.875‬=179.67cm  

3

Step-by-step explanation: