RD Sharma Solutions Class 7 Mathematics Solutions for Data Handling-Central Values Exercise 23.3 in Chapter 23 - Data Handling-Central Values

Question 4 Data Handling-Central Values Exercise 23.3

15, 6, 16, 8, 22, 21, 9, 18, 25

Answer:

First we have to arrange given data into ascending order

6, 8, 9, 15, 16, 18, 21, 22, 25

Given number of observations, n = 9 (odd)

Therefore median = ((n+1)/2)th term

Median = value of 5th term

= 16

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Exercises

Data Handling-Central Values Exercise 23.1

Data Handling-Central Values Exercise 23.2

Data Handling-Central Values Exercise 23.3

Data Handling-Central Values Exercise 23.4

Chapters

Integers

Fractions

Decimals

Rational Numbers

Operations on Rational Numbers

Exponents

Algebraic Expressions

Linear Equations In One Variable

Ratio and Proportion

Unitary Method

Percentage

Profit and Loss

Simple Interest

Lines and Angles

Properties of Triangle

Congruence

Constructions

Symmetry

Visualising Solid Shapes

Mensuration 1

Mensuration 2 Area of Circle

Data Handling-Collection Organisation Data

Data Handling-Central Values

Data Handling-Construction Of Bar Graphs

Data Handling-Probability