Ex 14.3 Q3 Class10 | Statistics l Clas10 Math | Class10 Ex 14.3 l ft. Quixter Classes

Ex 14.3 Q3 Class10 | Statistics l Clas10 Math | Class10 Ex 14.3 l ft. Quixter Classes

Class 10 Maths
Chapter 14 Statistics
Exercise 14.3 Question 3
#ex14.3q3
NCERT solutions Cbse Board
class10th mathematics 

Your queries -

class 10 maths exercise 14.3 question 1
class 10 maths exercise 14.3 question 2
class 10 maths exercise 14.3 question 3
class 10 maths exercise 14.3 question 4
class 10 maths exercise 14.3 question 5
class 10 maths exercise 14.3 question 6
class 10 maths exercise 14.3 question 7

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.

2. If the median of the distribution given below is 28.5, find the values of x and y..

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 year.

4. The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and
the data obtained is represented in the following table :
Find the median length of the leaves.

5. The following table gives the distribution of the life time of 400 neon lamps :
Find the median life time of a lamp.

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:
Determine 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.

7. The distribution below gives the weights of 30 students of a class. Find the median
weight of the students.

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