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NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.2

NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.2 are part of NCERT Solutions for Class 10 Maths. Here we have given NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.2.

  • Statistics Class 10 Ex 14.1
  • Statistics Class 10 Ex 14.2
  • Statistics Class 10 Ex 14.3
  • Statistics Class 10 Ex 14.4
Board CBSE
Textbook NCERT
Class Class 10
Subject Maths
Chapter Chapter 14
Chapter Name Statistics
Exercise Ex 14.2
Number of Questions Solved 6
Category NCERT Solutions

NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.2

Ex 14.2 Class 10 Maths Question 1.
The following table shows the ages of the patients admitted to a hospital during a year.
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 20
Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency.

Solution:
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 21
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 22
From these two measures of central tendency, we observe that the maximum number of patients admittes in the hospital are of the age 36.8 years (appx.), while on an average the age of a patient is 35.37 years.

Ex 14.2 Class 10 Maths Question 2.
The following data gives the information on the observed lifetimes (in hours) of 225 electrical components:
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 23
Determine the modal lifetimes of the components.

Solution:
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 24

Ex 14.2 Class 10 Maths Question 3.
The following data gives the distribution of the total monthly household expenditure of 200 families of a village. Find the modal monthly expenditure of the families. Also, find the mean monthly expenditure:
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 25

Solution:
Here, h = 500.
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 26
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 27

Ex 14.2 Class 10 Maths Question 4.
The following distribution gives the state-wise teacher- student ratio in higher secondary schools of India. Find the mode and mean of this data. Interpret the two measures.
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 28
Solution:

Here, h = 5.
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 29
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 30

Ex 14.2 Class 10 Maths Question 5.
The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches.
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 31
Find the mode of the data.

Solution:
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 32

Ex 14.2 Class 10 Maths Question 6.
A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mode of the data:
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 33
Solution:

Since 20 is the maximun frequency, so a modal class is (40 – 50).
NCERT Solutions for Class 10 Maths Chapter 14 Statistics 34

 

We hope the NCERT Solutions for Class 10 Maths Chapter 14 Statistics Ex 14.2, help you. If you have any query regarding NCERT Solutions for Class 10 Maths Chapter 14 Statistics EX 14.2, drop a comment below and we will get back to you at the earliest.

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