RD Sharma Solutions Class 11 Maths Chapter 32 Exercise 32.5: We’ll look at the variance of a discrete frequency distribution in this section, which will be illustrated with examples. Students can check RD Sharma Class 11 Maths Solutions, which is one of the most reliable reference books available. Subject experts has created solutions in a more user-friendly format to help students gain confidence, which is essential in their board exams. The solutions to this exercise may be found in the RD Sharma Solutions Class 11 Maths Chapter 32 pdf, which can be downloaded from the links below.
Download RD Sharma Class 11 Solutions Chapter 32 Statistics Exercise 32.5 Free PDF
RD Sharma Solutions Class 11 Maths Chapter 32 Exercise 32.5
Access answers to RD Sharma Solutions Class 11 Maths Chapter 32 Exercise 32.5- Important Question with Answers
1. Find the standard deviation for the following distribution:
|
x: |
4.5 |
14.5 |
24.5 |
34.5 |
44.5 |
54.5 |
64.5 |
|
f: |
1 |
5 |
12 |
22 |
17 |
9 |
4 |
Solution:
2. Table below shows the frequency f with which ‘x’ alpha particles were radiated from a diskette
|
x: |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|
f: |
51 |
203 |
383 |
525 |
532 |
408 |
273 |
139 |
43 |
27 |
10 |
4 |
2 |
Calculate the mean and variance.
Solution:
3. Find the mean, and standard deviation for the following data:
(i)
|
Year render: |
10 |
20 |
30 |
40 |
50 |
60 |
|
No. of persons (cumulative) |
15 |
32 |
51 |
78 |
97 |
109 |
Solution:
(ii)
|
Marks: |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
|
Frequency: |
1 |
6 |
6 |
8 |
8 |
2 |
2 |
3 |
0 |
2 |
1 |
0 |
0 |
0 |
1 |
Solution:
4. Find the standard deviation for the following data:
(i)
|
x: |
3 |
8 |
13 |
18 |
23 |
|
f: |
7 |
10 |
15 |
10 |
6 |
Solution:
(ii)
|
x: |
2 |
3 |
4 |
5 |
6 |
7 |
|
f: |
4 |
9 |
16 |
14 |
11 |
6 |
Solution:
We have provided complete details of RD Sharma Solutions Class 11 Maths Chapter 32 Exercise 32.5. If you have any queries related to CBSE Class 11, feel free to ask us in the comment section below.
FAQs on RD Sharma Solutions Class 11 Maths Chapter 32 Exercise 32.5
How many questions are there in RD Sharma Class 11 Solutions Chapter 32 Statistics Exercise 32.5?
There are a total of 4 questions in RD Sharma Class 11 Solutions Chapter 32 Exercise 32.5.
Is RD Sharma Class 11 Solutions Chapter 32 Exercise 32.5 for free?
Yes, You can get RD Sharma Class 11 Solutions Chapter 32 Exercise 32.5 for free.
Where can I download RD Sharma Class 11 Solutions Chapter 32 Exercise 32.5 free PDF?
You can download RD Sharma Class 11 Solutions Chapter 32 Exercise 32.5 free PDF from the above article.