In this chapter, we provide RD Sharma Class 7 ex 23.2 Solutions Chapter 23 Data Handling II (Central Values) for English medium students, Which will very helpful for every student in their exams. Students can download the latest RD Sharma Class 7 ex 23.2 Solutions Chapter 23 Data Handling II (Central Values) Maths pdf, Now you will get step by step solution to each question.
| Textbook | NCERT |
| Class | Class 7 |
| Subject | Maths |
| Chapter | Chapter 23 |
| Chapter Name | Data Handling II (Central Values) |
| Exercise | Ex 23.2 |
RD Sharma Solutions for Class 7 Chapter 23 Data Handling II (Central Values) Ex 23.2 Download PDF
Chapter 23 Data Handling II (Central Values) Exercise – 23.2
Question: 1
A die was thrown 20 times and the following scores were recorded:
5, 2, 1, 3, 4, 4, 5, 6, 2, 2, 4, 5, 5, 6, 2, 2, 4, 5, 5, 1
Prepare the frequency table of the scores on the upper face of the die and find the mean score.
Solution:
Question: 2
The daily wages (in Rs) of 15 workers in a factory are given below:
200, 180, 150, 150, 130, 180, 180, 200, 150, 130, 180, 180, 200, 150, 180
Prepare the frequency table and find the mean wage.
Solution:
-of-15-workers-in-a-factory-are-given-below.png)
Question: 3
The following table shows the weights (in kg) of 15 workers in a factory:
| Weight (in kg): | 60 | 63 | 66 | 72 | 75 |
| Numbers of workers: | 4 | 5 | 3 | 1 | 2 |
Calculate the mean weight.
Solution:
-of-15-workers-in-a-factory.png)
Question: 4
The ages (in years) of 50 students of a class in a school are given below:
| Age (in years): | 14 | 15 | 16 | 17 | 18 |
| Numbers of students: | 15 | 14 | 10 | 8 | 3 |
Find the mean age.
Solution:
-of-50-students-of-a-class-in-a-school-are-given-below.png)
Question: 5
Calculate the mean for the following distribution:
| x: | 5 | 6 | 7 | 8 | 9 |
| f: | 4 | 8 | 14 | 11 | 3 |
Solution:
Question: 6
Find the mean of the following data:
| x: | 19 | 21 | 23 | 25 | 27 | 29 | 31 |
| f: | 13 | 15 | 16 | 18 | 16 | 15 | 13 |
Solution:
Question: 7
The mean of the following data is 20.6. Find the value of p.
| x: | 10 | 15 | p | 25 | 35 |
| f: | 3 | 10 | 25 | 7 | 5 |
Solution:
Question: 8
If the mean of the following data is 15, find p.
| x: | 5 | 10 | 15 | 20 | 25 |
| f: | 6 | p | 6 | 10 | 5 |
Solution:
Question: 9
Find the value of p for the following distribution whose mean is 16.6
| x: | 8 | 12 | 15 | p | 20 | 25 | 30 |
| f: | 12 | 16 | 20 | 24 | 16 | 8 | 4 |
Solution:
Question: 10
Find the missing value of p for the following distribution whose mean is 12.58
| x: | 5 | 8 | 10 | 12 | p | 20 | 25 |
| f: | 2 | 5 | 8 | 22 | 7 | 4 | 2 |
Solution:
Question: 11
Find the missing frequency (p) for the following distribution whose mean is 7.68
| x: | 3 | 5 | 7 | 9 | 11 | 13 |
| f: | 6 | 8 | 15 | p | 8 | 4 |
Solution:
-for-the-following-distribution-whose-mean-is-7.68-.png)
Question: 12
Find the value of p, if the mean of the following distribution is 20
| x: | 15 | 17 | 19 | 20 + p | 23 |
| f: | 2 | 3 | 4 | 5p | 6 |
Solution:
All Chapter RD Sharma Solutions For Class 7 Maths
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