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AP Board Class 10 Maths Chapter 14 Statistics Ex 14.1 Textbook Solutions PDF: Download Andhra Pradesh Board STD 10th Maths Chapter 14 Statistics Ex 14.1 Book Answers

AP Board Class 10 Maths Chapter 14 Statistics Ex 14.1 Textbook Solutions PDF: Download Andhra Pradesh Board STD 10th Maths Chapter 14 Statistics Ex 14.1 Book Answers
AP Board Class 10 Maths Chapter 14 Statistics Ex 14.1 Textbook Solutions PDF: Download Andhra Pradesh Board STD 10th Maths Chapter 14 Statistics Ex 14.1 Book Answers


AP Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 10th Maths Chapter 14 Statistics Ex 14.1 books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics Ex 14.1 textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 10th Maths Chapter 14 Statistics Ex 14.1 book solutions pdf online from this page.

Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbooks Solutions PDF

Andhra Pradesh State Board STD 10th Maths Chapter 14 Statistics Ex 14.1 Books Solutions with Answers are prepared and published by the Andhra Pradesh Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of AP Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 10th Maths Chapter 14 Statistics Ex 14.1 solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Andhra Pradesh Board STD 10th Maths Chapter 14 Statistics Ex 14.1 Textbooks. These Andhra Pradesh State Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Andhra Pradesh Board.

Andhra Pradesh State Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Books Solutions

Board AP Board
Materials Textbook Solutions/Guide
Format DOC/PDF
Class 10th
Subject Maths
Chapters Maths Chapter 14 Statistics Ex 14.1
Provider Hsslive


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AP Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

10th Class Maths 14th Lesson Statistics Ex 14.1 Textbook Questions and Answers

Question 1.
A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house.

Answer:

Since fi and xi are of small values we use direct method.
∴ x⎯⎯⎯=ΣfixiΣfi
= 16220
= 8.1

Question 2.
Consider the following distribution of daily wages of 50 workers of a factory.

Find the mean daily wages of the workers of the factory by using an appropriate method.
Answer:

Here the xi are of large numerical values.
So we use deviation method then,
𝐱⎯⎯⎯=𝐚+Σ𝐟𝐢𝐝𝐢Σ𝐟𝐢
Here the assumed mean is taken as 275.
∴ x⎯⎯⎯=a+ΣfidiΣfi
= 275 + 190050
= 275 + 38
= 313.

Question 3.
The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs. 18. Find the missing frequency f.

Answer:

x⎯⎯⎯=ΣfixiΣfi
xi = 18 (given)
⇒18=752+20f(44+f)
18 (44 + f) = 752 + 20 f
⇒ 20f- 18f= 792-752
⇒ 2f = 40
∴ f = 4020 = 20.

Question 4.
Thirty women were examined in a hospital by a doctor and their of heart beats per minute were recorded and summarised as shown. Find the mean heart beats per minute for these women, choosing a suitable method.

Answer:

𝐱⎯⎯⎯=𝐚+Σ𝐟𝐢𝐝𝐢Σ𝐟𝐢
75.5 + 1230
= 75.5 + 0.4
= 75.9.

Question 5.
In a retail market, fruit vendors were selling oranges kept in packing baskets. These baskets contained varying number of oranges. The following was the distribution of oranges.

Find the mean number of oranges kept in each basket. Which method of finding the mean did you choose?
Answer:

Here we use step deviation method where a = 135, h = 5,a multiple of all di
x⎯⎯⎯=a+(ΣfiuiΣfi)×h
= 22 + 25400 × 5
= 22 + 0.31
= 22.31

Question 6.
The table below shows the daily expenditure on food of 25 households in a locality.
Find the mean daily expenditure on food by a suitable method.
Answer:

Here a = 125, h = 50, ∑fiu= 43
Now
x⎯⎯⎯=a+(ΣfiuiΣfi)×h
= 125 + 4325 × 50
= 125 + (43 × 2)
= 125 + 86
= 211.
NOTE: If we consider first value as “a” then we dont get negative values in uifiui columns. Then it becomes easy for calculation.

Question 7.
To find out the concentration of SO2 in the air (in parts per million, i.e., ppm), the data was collected for 30 localities in a certain city and is presented below:

Find the mean concentration of SO2 in the air.
Answer:

∴ x⎯⎯⎯=ΣfixiΣfi
= 2.9630
= 0.00986666…….
≃ 0.099

Question 8.
A class teacher has the following attendance record of 40 students of a class for the whole term. Find the mean number of days a student was present out of 56 days in the term.

Answer:

Here, a = 51.5
∴ 𝐱⎯⎯⎯=𝐚+Σ𝐟𝐢𝐝𝐢Σ𝐟𝐢
= 51.5 – 9940
= 51.5 – 2.475
= 49.025
≃ 49 days

Question 9.
The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate.

Answer:

a = 70; h = 10
∴ 𝐱⎯⎯⎯=𝐚+Σ𝐟𝐢𝐮𝐢Σ𝐟𝐢×𝐡
⇒𝑥¯=70−235×10
= 70 – 235 × 10
= 70 – 2035
= 70 – 0.57142
= 69.4285
≃ 69.43%


AP Board Textbook Solutions PDF for Class 10th Maths


Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbooks for Exam Preparations

Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics Ex 14.1 exam preparation. The AP Board STD 10th Maths Chapter 14 Statistics Ex 14.1 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 10th Maths Chapter 14 Statistics Ex 14.1 Books State Board syllabus with maximum efficiency.

FAQs Regarding Andhra Pradesh Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbook Solutions


How to get AP Board Class 10th Maths Chapter 14 Statistics Ex 14.1 Textbook Answers??

Students can download the Andhra Pradesh Board Class 10 Maths Chapter 14 Statistics Ex 14.1 Answers PDF from the links provided above.

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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