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

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 9c.

**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:**

**Question 4.**

**Solution:
**As the class 26 – 30 has maximum frequency so it is modal class

Hence, mode = 28.5.

**Question 5.
**

**Solution:**

**As the class 1500 – 2000 has maximum frequency, so it os modal class**

Hence the average expenditure done by maximum number of workers = Rs. 1820.

**Question 6.****
Solution:
**As the class 5000 – 10000 has maximum frequency, so it is modal class

Hence, mode = Rs. 7727.27.

**Question 7.****
Solution:
**As the class 15 – 20 has maximum frequency so it is modal class.

Hence mode = 17.3 years.

**Question 8.**

**Solution:
**As the class 85 – 95 has the maximum frequency it is modal class

Hence, mode = 85.71.

**Question 9.**

**Solution:
**The given series is converted from inclusive to exclusive form and on preparing the frequency table, we get

Class |
Frequency |

0.5 – 5.5 5.5- 10.5 10.5 – 15. 5 15.5 – 20.5 20.5 – 25. 5 25.5 – 30.5 30.5 – 35.5 35.5 – 40.5 40.5 – 45.5 45.5 – 50.5 |
3 8 13 18 28 20 13 8 6 3 |

As the class 20.5 – 25.5 has maximum frequency, so it is modal class

Hence, mode = 23.28.

**Question 10.**

**Solution:
**

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