## RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and O give Ex 9a

These Solutions are part of RS Aggarwal Solutions Class 10. Here we have given RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data,Cumulative Frequency Graph and O give Ex 9a.

**Other Exercises**

- RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9a
- RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9b
- RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9c
- RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9d
- RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9e
- RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9f
- RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data MCQ
- RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Test Yourself

**Question 1.**

**Solution:
**

**Question 2.**

**Solution:
**

**Question 3.**

Solution:

Solution:

**Question 4.****
Solution:
**We have

**Question 5.****
Solution:
**We have

**Question 6.****
Solution:
**We have

**Question 7.
**

**Solution:**

**Question 8.**

Solution:

**Question 9.**

Solution:

**Question 10.**

Solution:

**Question 11.**

Solution:

**Question 12.**

Solution:

**Question 13.****
Solution:
**We have

7+f

_{1}+12+f

_{2}+8+5=50 ⇒ f

_{2}= 18-f

_{1 }

**Question 14.
**

**Solution:**

**Question 15.****
Solution:
**We have, Let A = 25 be the assumed mean

Hence mean = 28.

**Question 16.****
Solution:
**Let the assumed mean be 150, h = 20

Hence, Mean = 146.25.

**Question 17.****
Solution:
**Let A = 50 be the assumed mean, we have

**Question 18.**

Solution:

**Question 19.**

Solution:

**Question 20.**

Solution:

**Question 21.**

**Solution:
**

**Question 22.**

Solution:

**Question 23.**

**Solution:**

**Question 24.**

Solution:

**Question 25.****
Solution:
**Let h = 20 and assume mean = 550, we prepare the table given below:

Hence the mean of the frequency distribution is 544.

**Question 26.****
Solution:
**The given series is an inclusive series, making it an exclusive series, we have

**Question 27.**

**Solution:
**The given series is an inclusive series making it an exclusive series,we get

Hence, Mean = 34.87 years.

**Question 28.**

**Solution:
**

**Question 29.**

**Solution:
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