• Skip to main content
  • Skip to secondary menu
  • Skip to primary sidebar
  • Skip to footer
  • RBSE Model Papers
    • RBSE Class 12th Board Model Papers 2022
    • RBSE Class 10th Board Model Papers 2022
    • RBSE Class 8th Board Model Papers 2022
    • RBSE Class 5th Board Model Papers 2022
  • RBSE Books
  • RBSE Solutions for Class 10
    • RBSE Solutions for Class 10 Maths
    • RBSE Solutions for Class 10 Science
    • RBSE Solutions for Class 10 Social Science
    • RBSE Solutions for Class 10 English First Flight & Footprints without Feet
    • RBSE Solutions for Class 10 Hindi
    • RBSE Solutions for Class 10 Sanskrit
    • RBSE Solutions for Class 10 Rajasthan Adhyayan
    • RBSE Solutions for Class 10 Physical Education
  • RBSE Solutions for Class 9
    • RBSE Solutions for Class 9 Maths
    • RBSE Solutions for Class 9 Science
    • RBSE Solutions for Class 9 Social Science
    • RBSE Solutions for Class 9 English
    • RBSE Solutions for Class 9 Hindi
    • RBSE Solutions for Class 9 Sanskrit
    • RBSE Solutions for Class 9 Rajasthan Adhyayan
    • RBSE Solutions for Class 9 Physical Education
    • RBSE Solutions for Class 9 Information Technology
  • RBSE Solutions for Class 8
    • RBSE Solutions for Class 8 Maths
    • RBSE Solutions for Class 8 Science
    • RBSE Solutions for Class 8 Social Science
    • RBSE Solutions for Class 8 English
    • RBSE Solutions for Class 8 Hindi
    • RBSE Solutions for Class 8 Sanskrit
    • RBSE Solutions

RBSE Solutions

Rajasthan Board Textbook Solutions for Class 5, 6, 7, 8, 9, 10, 11 and 12

  • RBSE Solutions for Class 7
    • RBSE Solutions for Class 7 Maths
    • RBSE Solutions for Class 7 Science
    • RBSE Solutions for Class 7 Social Science
    • RBSE Solutions for Class 7 English
    • RBSE Solutions for Class 7 Hindi
    • RBSE Solutions for Class 7 Sanskrit
  • RBSE Solutions for Class 6
    • RBSE Solutions for Class 6 Maths
    • RBSE Solutions for Class 6 Science
    • RBSE Solutions for Class 6 Social Science
    • RBSE Solutions for Class 6 English
    • RBSE Solutions for Class 6 Hindi
    • RBSE Solutions for Class 6 Sanskrit
  • RBSE Solutions for Class 5
    • RBSE Solutions for Class 5 Maths
    • RBSE Solutions for Class 5 Environmental Studies
    • RBSE Solutions for Class 5 English
    • RBSE Solutions for Class 5 Hindi
  • RBSE Solutions Class 12
    • RBSE Solutions for Class 12 Maths
    • RBSE Solutions for Class 12 Physics
    • RBSE Solutions for Class 12 Chemistry
    • RBSE Solutions for Class 12 Biology
    • RBSE Solutions for Class 12 English
    • RBSE Solutions for Class 12 Hindi
    • RBSE Solutions for Class 12 Sanskrit
  • RBSE Class 11

RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4

February 14, 2019 by Fazal Leave a Comment

RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4 is part of RBSE Solutions for Class 9 Maths. Here we have given Rajasthan Board RBSE Class 9 Maths Solutions Chapter 15 Statistics Exercise 15.4.

Board RBSE
Textbook SIERT, Rajasthan
Class Class 9
Subject Maths
Chapter Chapter 15
Chapter Name Statistics
Exercise Ex 15.4
Number of Questions Solved 5
Category RBSE Solutions

Rajasthan Board RBSE Class 9 Maths Solutions Chapter 15 Statistics Ex 15.4

Question 1.
The following number of goals were scored by (RBSESolutions.com) a football team in a series of 10 matches: 2, 3, 4, 5, 0, 1, 3, 3, 4, 3
Find the mean, median and mode of these scores.
Solution.
The number of goals scored by a football team in a series of 10 matches are as under 2, 3, 4, 5, 0, 1, 3, 3, 4, 3
(i) Mean
RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4
(ii) Median: Arranging the given data (RBSESolutions.com) in ascending order, we have 0, 1, 2, 3, 3, 3, 3, 4, 4, 5
Here, n = 10 which is even, so there will be two median class
RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4
(iii) Mode: The number 3 occurs most frequently in the data i.e. 4 times. Hence, Mode = 3

RBSE Solutions

Question 2.
In a Mathematics test given by 15 students, the (RBSESolutions.com) following marks (out of 100) are recorded: 41, 39, 48, 52, 46, 62, 54, 40, 96, 52, 98, 40, 42, 52, 60
Find the mean, median and mode of these data.
Solution:
(i) Mean
RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4
Hence, mean of the given data is 54.8.
(ii) Median: Arranging the given data (RBSESolutions.com) in the ascending order,
we have 39, 40, 40, 41, 42, 46, 48, 52, 52, 52, 54, 60, 62, 96, 98
Here, n = 15 which is odd, so their will be only one median class
RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4
(iii) Here, the mark 52 occurred most frequently i.e. 3 times.
Hence, Mode = 52.

Question 3.
The following observations have been arranged (RBSESolutions.com) in ascending order. If the median of the data is 63. Find the value of x.
29, 32, 48, 50, x, x + 2, 72, 78, 84, 95.
Solution:
Here, number of observations = 10 (even)

Question 4.
Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18.
Solution.
We find that the observation 14 occurs frequently maximum number of times i.e. 4 times. Hence, mode is 14.

Question 5.
Find the mean salary of 60 workers of (RBSESolutions.com) a factory from the following table:
RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4 - 1
Solution.
Here, we will find mean salary of 60 workers of a factory by direct method.
RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4
Hence, mean salary of 60 workers of (RBSESolutions.com) a factory is Rs 5083.33.

RBSE Solutions

We hope the given RBSE Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4 will help you. If you have any query regarding RBSE Rajasthan Board Solutions for Class 9 Maths Chapter 15 Statistics Ex 15.4, drop a comment below and we will get back to you at the earliest.

Share this:

  • Click to share on WhatsApp (Opens in new window)
  • Click to share on Twitter (Opens in new window)
  • Click to share on Facebook (Opens in new window)

Related

Filed Under: Class 9

Reader Interactions

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Primary Sidebar

Recent Posts

  • RBSE Class 5 Hindi रचना पत्र लेखन
  • RBSE Solutions for Class 9 Science Chapter 2 पदार्थ की संरचना एवं अणु
  • RBSE Solutions for Class 5 Hindi परिवेशीय सजगता
  • RBSE Solutions for Class 5 Hindi Chapter 14 स्वर्ण नगरी की सैर
  • RBSE Solutions for Class 5 Hindi Chapter 17 चुनाव प्रक्रिया कब, क्या व कैसे?
  • RBSE Class 5 Hindi व्याकरण
  • RBSE Solutions for Class 5 Hindi Chapter 16 दृढ़ निश्चयी सरदार
  • RBSE for Class 5 English Vocabulary One Word
  • RBSE Solutions for Class 5 Environmental Studies Manachitr
  • RBSE Solutions for Class 9 Maths Chapter 1 वैदिक गणित Additional Questions
  • RBSE Class 5 English Vocabulary Road Safety

Footer

RBSE Solutions for Class 12
RBSE Solutions for Class 11
RBSE Solutions for Class 10
RBSE Solutions for Class 9
RBSE Solutions for Class 8
RBSE Solutions for Class 7
RBSE Solutions for Class 6
RBSE Solutions for Class 5
RBSE Solutions for Class 12 Maths
RBSE Solutions for Class 11 Maths
RBSE Solutions for Class 10 Maths
RBSE Solutions for Class 9 Maths
RBSE Solutions for Class 8 Maths
RBSE Solutions for Class 7 Maths
RBSE Solutions for Class 6 Maths
RBSE Solutions for Class 5 Maths
RBSE Class 11 Political Science Notes
RBSE Class 11 Geography Notes
RBSE Class 11 History Notes

Copyright © 2025 RBSE Solutions

 

Loading Comments...