RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9 C

In this chapter, we provide RS Aggarwal Solutions for Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9 C Maths for English medium students, Which will very helpful for every student in their exams. Students can download the latest RS Aggarwal Solutions for Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9 C Maths pdf, free RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9 C Maths book pdf download. Now you will get step by step solution to each question.

TextbookNCERT
ClassClass 10
SubjectMaths
ChapterChapter 9
Chapter NameMean, Median, Mode of Grouped Data
Exercise9 C
CategoryRS Aggarwal Solutions

RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C

Question 1:
As the class 50 – 60 has maximum frequency, so it is the modal class:
RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C & 9D 1.1
Hence, mode = 53.33

Question 2:
As the class 40 – 50 as maximum frequency, so it s modal class.
RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C & 9D 2.1
Hence, mode = 43.75 years

Question 3:
As the class 26 – 30 has maximum frequency so it is modal class
RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C & 9D 3.1
Hence, mode = 28.5
Question 4:
As the class 1500 – 2000 has maximum frequency, so it os modal class
RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C & 9D 4.1
Hence the average expenditure done by maximum number of workers = Rs. 1820
Question 5:
As the class 5000 – 10000 has maximum frequency, so it is modal class
RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C & 9D 5.1
Hence, mode = Rs. 7727.27
Question 6:
As the class 15 – 20 has maximum frequency so it is modal class.
RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C & 9D 6.1
Hence mode = 17.3 years
Question 7:
As the class 85 – 95 has the maximum frequency it is modal class
RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C & 9D 7.1
Hence, mode = 85.71
Question 8:
The given series is converted from inclusive to exclusive form and on preparing the frequency table, we get

ClassFrequency 
0.5 – 5.53
5.5 – 10.58
10.5 – 15. 513
15.5 – 20.518
20.5 – 25. 528
25.5 – 30.520
30.5 – 35.513
35.5 – 40.58
40.5 – 45.56
45.5 – 50.53

As the class 20.5 – 25.5 has maximum frequency, so it is modal class
RS Aggarwal Solutions Class 10 Chapter 9 Mean, Median, Mode of Grouped Data Ex 9C & 9D 8.1
Hence, mode = 23.28

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