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## AP Board Class 10 Maths Chapter 14 Statistics InText Questions Textbook Solutions PDF: Download Andhra Pradesh Board STD 10th Maths Chapter 14 Statistics InText Questions Book Answers AP Board Class 10 Maths Chapter 14 Statistics InText Questions Textbook Solutions PDF: Download Andhra Pradesh Board STD 10th Maths Chapter 14 Statistics InText Questions Book Answers

## Andhra Pradesh State Board Class 10th Maths Chapter 14 Statistics InText Questions Books Solutions

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## AP Board Class 10th Maths Chapter 14 Statistics InText Questions Textbooks Solutions with Answer PDF Download

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### 10th Class Maths 14th Lesson Statistics InText Questions and Answers

Think & Discuss

(Page No. 327)

Question 1.
The mean value can be calculated from both ungrouped and grouped data. Which one do you think is more accurate? Why?
Mean calculated from ungrouped data is more accurate than, mean calculated from the grouped data. Since its calculation takes all the observations in the data into consideration.

Question 2.
When it is more convenient to use grouped data for analysis?
Grouped data is convenient when the values fi and xi are low.

(Page No. 331)

Question 3.
Is the result obtained by all the three methods the same?
Yes. Mean obtained by all the three methods are equal.

Question 4.
If xi and fi are sufficiently small, then which method is an appropriate choice?
Direct method.

Question 5.
If xi and fi are numerically large numbers, then which methods are appropriate to use?
Assumed – Mean method and Step – Deviation method.

Do these

(Page No. 334)

Question 1.
Find the mode of the following data.
a) 5, 6, 9, 10, 6, 12, 3, 6, 11, 10, 4, 6, 7.
Mode = 6 (most repeated value of the data).

b) 20, 3, 7, 13, 3, 4, 6, 7, 19, 15, 7, 18, 3.
Mode = 3,7.

c) 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6.
Mode = 2, 3, 4, 5, 6.

Question 2.
Is the mode always at the centre of the data?
No. Mode may not beat the centre always.

Question 3.
Does the mode change, if another observation is added to the data in Example? Comment.
In the example the observations are 0, 1, 2, 2, 2, 3, 3, 4, 5, 6.
Here mode = 2.
If we add ‘2’ then mode doesn’t change.
It we add ‘3’ then the mode will be ‘2’ and ‘3’.
Even if we add other then 3 the mode will not be changed.
So we cannot decide whether the mode changes or not. It depends on the situation.

Question 4.
If the maximum value of an observation in the data in Example 4 is changed to 8, would the mode of the data be affected? Comment.
If the maximum value is altered to 8, the mode remains the same. Mode doesn’t consider the values but consider their frequencies only.

Think & Discuss

(Page No. 336)

Question 1.
It depends upon the demand of the situation whether we are interested in finding the average marks obtained by the students or the marks obtained by most of the students.
a) What do we find in the first situation?
We find A.M.

b) What do we find in the second situation?
We find the mode.

Question 2.
Can mode be calculated for grouped data with unequal class sizes?
Yes. Mode can be calculated for grouped data with unequal class sizes.

## Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics InText Questions Textbooks for Exam Preparations

Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics InText Questions Textbook Solutions can be of great help in your Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics InText Questions exam preparation. The AP Board STD 10th Maths Chapter 14 Statistics InText Questions Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 10th Maths Chapter 14 Statistics InText Questions Books State Board syllabus with maximum efficiency.

## FAQs Regarding Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics InText Questions 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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