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

Question 1.
The following table shows the ages of the patients admitted to a hospital during a year.
Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency.
Solution:


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.

Question 2.
The following data gives the information on the observed lifetimes (in hours) of 225 electrical components:
Determine the modal lifetimes of the components.
Solution:

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:
Solution:
Here, h = 500.

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.
Solution:
Here, h = 5.

Question 5.
The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches.
Find the mode of the data.
Solution:

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:
Solution:
Since 20 is the maximun frequency, so a modal class is (40 – 50).

 

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