NCERT Solutions For Class 10 Maths Chapter 14 Statistics Ex 14.1

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NCERT Solutions For Class 10 Maths Chapter 14 Statistics Ex 14.1

Get Free NCERT Solutions for Class 10 Maths Chapter 14 Ex 14.1 PDF. Statistics Class 10 Maths NCERT Solutions are extremely helpful while doing your homework. Exercise 14.1 Class 10 Maths NCERT Solutions were prepared by Experienced ncert-books.in Teachers. Detailed answers of all the questions in Chapter 14 Maths Class 10 Statistics Exercise 14.1 provided in NCERT TextBook.NCERT Solutions For Class 10 Maths Chapter 14 Statistics Ex 14.1

Question 1.
A survey was conducted by a group of students as a part of their environment awareness program, 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.
Statistics Class 10 Maths NCERT Solutions Ex 14.1 PDF Download Q1Which method did you use for finding the mean, and why?
Solution:
Statistics Class 10 Maths NCERT Solutions Ex 14.1 PDF Download Q1

 

 

Question 2.
Consider the following distribution of daily wages of 50 workers of a factory.
Statistics Class 10 Maths NCERT Solutions Ex 14.1 PDF Download Q2Find the mean daily wages of the workers of the factory by using an appropriate method.
Solution:
Statistics Class 10 Maths NCERT Solutions Ex 14.1 PDF Download Q2

Question 3.
The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is ₹ 18. Find the missing frequency f.
Ex 14.1 Class 10 Maths NCERT Solutions PDF Download Q3Solution:
Statistics Class 10 Maths NCERT Solutions Ex 14.1 PDF Download Q3

Question 4.
Thirty women were examined in a hospital by a doctor and the number of heart beats per minute were recorded and summarised as follows. Find the mean heart beats per minute for these women, choosing a suitable method
Ex 14.1 Class 10 Maths NCERT Solutions PDF Download Q4Solution:
Ex 14.1 Class 10 Maths NCERT Solutions PDF Download Q4

Question 5.
In a retail market, fruit vendors were selling mangoes kept in packing boxes. These boxes contained varying number of mangoes. The following was the distribution of mangoes according to the number of boxes.
Exercise 14.1 Class 10 Maths NCERT Solutions PDF Download Q5Find the mean number of mangoes kept in a packing box. Which method of finding the mean did you choose?
Solution:
Ex 14.1 Class 10 Maths NCERT Solutions PDF Download Q5

Question 6.
The table below shows the daily expenditure on food of 25 households in a locality.
Exercise 14.1 Class 10 Maths NCERT Solutions PDF Download Q6Find the mean daily expenditure on food by a suitable method.
Solution:
Exercise 14.1 Class 10 Maths NCERT Solutions PDF Download Q6

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:
Chapter 14 Maths Class 10 NCERT Solutions Ex 14.1 PDF Download Q7Find the mean concentration of SO2 in the air.
Solution:
Exercise 14.1 Class 10 Maths NCERT Solutions PDF Download Q7

Question 8.
A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.
Chapter 14 Maths Class 10 NCERT Solutions Ex 14.1 PDF Download Q8Solution:
Chapter 14 Maths Class 10 NCERT Solutions Ex 14.1 PDF Download Q8

Question 9.
The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate.
Statistics Class 10 Maths NCERT Solutions Ex 14.1 PDF Download Q9

Solution:
Chapter 14 Maths Class 10 NCERT Solutions Ex 14.1 PDF Download Q9

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