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## AP Board Class 7 Maths Chapter 6 Data Handling Unit Exercise Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 6 Data Handling Unit Exercise Book Answers

 AP Board Class 7 Maths Chapter 6 Data Handling Unit Exercise Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Maths Chapter 6 Data Handling Unit Exercise Book Answers

## Andhra Pradesh State Board Class 7th Maths Chapter 6 Data Handling Unit Exercise Books Solutions

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## AP Board Class 7th Maths Chapter 6 Data Handling Unit Exercise Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Maths Chapter 6 Data Handling Unit Exercise Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

Question 1.
Runs made by two bats men in 3 matches are given below.
Kohli: 49, 98, 72
Rohit: 64, 45, 83, then find average of runs scored by Kohli and Rohit . Whose average is higher ?
Given runs made by Kohli: 49, 98, 72.
Average runs of Kohli =  Sum of the observations  Number of observations  = 49+98+723 = 2193 = 73
Runs made by Rohit: 64, 45, 83.
Average runs of = 64+45+833
1923= 64
73 > 64.
Kohli average is higher than Rohit.

Question 2.
Find mode of 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 36 and 47. Verify whether it is Unimodal or Bimodal data.
Given data : 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47.
Arrange the given observations in ascending order.

As 38 and 43 occurs most frequently than other observations in the data.
∴ Mode = 38 and 43.
So, given data is Bimodal data.

Question 3.
The temperature in different places are 0, – 5, 7, 10, 13, – 1 and 41 in degree Celsius. Find the Median. If another observation, ‘4°C’ is added to the given data, is there any change in value of Median ? Explain.
Given data : 0, – 5′, 7, 10, 13, – 1, 41.
Arrange the given observations in ascending order.

In seven observations the fourth observation 7 is the middle most value.
∴ Median = 7 .
If 4°C is added to the given data,
0, – 5, 7, 10, 13, – 1, 41 and 4.
Arrange the given observations in ascending order.

In eight observations the fourth and fifth observations 4 and 7 are the middle most values in the data.
Median = Average of the two middle most values.
4+72 = 112 = 5.5
So, if we added a new observation, then the median also changed (decreased). Median is decreased from 7 to 5.5.

Question 4.
If the range of observation 7x, 5x, 3x, 2x, x (x > 0) is 12, then find value of ‘x’ and express all the observations in numerical form.
Given data.: 7x, 5x, 3x, 2x, x (x > 0) and Range = 12.
Maximum value = 7x; Minimum value = x
Range = Maximum value – Minimum value
= 7x – x – 12
⇒ 6x = 12 ⇒ 6𝑥6 = 126
∴ x = 12

Question 5.
Birth and death rates of different states in 2015 are given below. Approximately draw a double bar graph for the given data.

Question 6.
The following data relates to the cost of construction of a house.

Draw a Pie diagram to represent the above data.
The angle of each sector will depend on the ratio between the number of students each item and total expenditure (%).
Angle of sector =  Value of the item  Sum of the value of all items  × 360°

Steps of construction:

1. Draw a circle with any convenient radius and mark it’s centre as ‘O’.
2. Mark a point A, somewhere on the circumference and join OA.
3. Construct ∠AOB = 108° to represent angle of the sector of Cement.
4. Construct ∠BOC = 36° to represent angle of the sector of Steel.
5. Construct ∠COD = 36° to represent angle of the sector of Bricks.
6. Construct ∠DOE = 54° to represent angle of the sector of Timber.
7. Construct ∠EOF = 72° to represent angle of the sector of Labour.
8. Now ∠FOA = 54° to represent angle of the sector of Miscellaneous.

## Andhra Pradesh Board Class 7th Maths Chapter 6 Data Handling Unit Exercise Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Maths Chapter 6 Data Handling Unit Exercise Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Maths Chapter 6 Data Handling Unit Exercise exam preparation. The AP Board STD 7th Maths Chapter 6 Data Handling Unit Exercise Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Maths Chapter 6 Data Handling Unit Exercise Books State Board syllabus with maximum efficiency.

## FAQs Regarding Andhra Pradesh Board Class 7th Maths Chapter 6 Data Handling Unit Exercise Textbook Solutions

#### Can we get a Andhra Pradesh State Board Book PDF for all Classes?

Yes you can get Andhra Pradesh Board Text Book PDF for all classes using the links provided in the above article.

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