Gujarat Board Solutions Class 10 Maths Chapter 14 Statistics Ex 14.3
Gujarat Board Solutions Class 10 Maths Chapter 14 Statistics Ex 14.3
Gujarat Board Textbook Solutions Class 10 Maths Chapter 14 Statistics Ex 14.3
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.
Question 2.
If the median of the distribution given below is 28.5, find the values of x and y. ∑fi = 60.
Question 3.
A life insurance agent found the following data for the distribution of ages of 100 policyholders. Calculate the median age, if polices are only given to persons having age 18 years onwards but less than 60 years.
Solution:
Question 4.
The lengths of 40 leaves of a plant are measured correct to the nearest millimeter, and the data obtained is represented in the following table:
Find the median length of the leaves.
Solution:
Firstly, data needs to be converted into continuous classes.
Question 5.
The following table gives the distribution of the lifetime of 400 neon lamps..
Find the median lifetime of a lamp.
Solution:
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 alphabets in the surnames was obtained as follows:
Question 7.
The distribution below gives the weights of 30 students of a class, find the median weight of the students.
Follow on Facebook page – Click Here
Google News join in – Click Here
Read More Asia News – Click Here
Read More Sports News – Click Here
Read More Crypto News – Click Here