NCERT Solutions For Class 10 Maths Chapter 14 Statistics Ex 14.3

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NCERT Solutions For Class 10 Maths Chapter 14 Statistics Ex 14.3

Get Free NCERT Solutions for Class 10 Maths Chapter 14 Ex 14.3 PDF. Statistics Class 10 Maths NCERT Solutions are extremely helpful while doing your homework. Exercise 14.3 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 14.3 provided in NCERT TextBook.

Question 1.
The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality. Find the median, mean and mode of the data and compare them.
Statistics Class 10 Maths NCERT Solutions Ex 14.3 pdf download Q1Solution:
Statistics Class 10 Maths NCERT Solutions Ex 14.3 pdf download Q1
Statistics Class 10 Maths NCERT Solutions Ex 14.3 pdf download Q1.1

 

Question 2.
If the median of the distribution given below is 28.5, find the values of x and y.
Ex 14.3 Class 10 Maths NCERT Solutions pdf download Q2Solution:
Ex 14.3 Class 10 Maths NCERT Solutions pdf download Q2
Ex 14.3 Class 10 Maths NCERT Solutions pdf download Q2.1

Question 3.
A life insurance agent found the following data for distribution of ages of 100 policy holders. Calculate the median age, if policies are given only to persons having age 18 years onwards but less than 60 years.
Ex 14.3 Class 10 Maths NCERT Solutions pdf download Q3Solution:
Exercise 14.3 Class 10 Maths NCERT Solutions pdf download Q3

Question 4.
The lengths of 40 leaves of a plant are measured correct to nearest millimetre, and the data obtained is represented in the following table:
Exercise 14.3 Class 10 Maths NCERT Solutions pdf download Q4Find the median length of the leaves.
Solution:
Exercise 14.3 Class 10 Maths NCERT Solutions pdf download Q4
Exercise 14.3 Class 10 Maths NCERT Solutions pdf download Q4.1

Question 5.
The following table gives the distribution of the lifetime of 400 neon lamps:
Exercise 14.3 Class 10 Maths NCERT Solutions pdf download Q5Find the median lifetime of a lamp.
Solution:
Chapter 14 Maths Class 10 NCERT Solutions Ex 14.3 pdf download Q5

Question 6.
100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabet in the surnames was obtained as follows:
Chapter 14 Maths Class 10 NCERT Solutions Ex 14.3 pdf download Q6Determine the median number of letters in the surnames. Find the mean number of letters in the surnames. Also, find the modal size of the surnames.
Solution:
Statistics Class 10 Maths NCERT Solutions Ex 14.3 pdf download Q6
Statistics Class 10 Maths NCERT Solutions Ex 14.3 pdf download Q6.1
Statistics Class 10 Maths NCERT Solutions Ex 14.3 pdf download Q6.2

Question 7.
The distribution below gives the weight of 30 students of a class. Find the median weight of the students.
Chapter 14 Maths Class 10 NCERT Solutions Ex 14.3 pdf download Q7Solution:
Statistics Class 10 Maths NCERT Solutions Ex 14.3 pdf download Q7

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