English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8

Construct a histogram from the following distribution of total marks of 40 students in a class. Marks 90 − 110 110 − 130 130 − 150 150 − 170 170 − 190 190 − 210 No. of Students 9 5 10 7 4 6

Advertisements
Advertisements

Question

Construct a histogram from the following distribution of total marks of 40 students in a class.

Marks 90 − 110 110 − 130 130 − 150 150 − 170 170 − 190 190 − 210
No. of Students 9 5 10 7 4 6
Graph
Advertisements

Solution

The given distribution is continuous taking marks on X-axis and No. of students on Y-axis the histogram is constructed.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Statistics - Exercise 6.2 [Page 228]

APPEARS IN

Samacheer Kalvi Mathematics [English] Class 8 TN Board
Chapter 6 Statistics
Exercise 6.2 | Q 5 | Page 228

RELATED QUESTIONS

Represent the following data by Histogram:

Price of Sugar per kg

         (in Rs.)

       Number of Weeks
18-20 4
20-22 8
22-24 22
24-26 12
26-28 8
28-30 6

Draw histogram for the following frequency distributions:

Class Marks  16 24 32 40 48 56 64
Frequency  8 12 15 18 25 19 10

The following table is based on the marks of the first term examination of 10th class students. Show the information by a histogram. Also, draw a frequency polygon with the help of the histogram. 

Class-mark of marks 325 375 425 475 525 575
No. of students 25 35 45 40 32 20

Construct a histogram for the following data:

Monthly school fee (in Rs): 30−60 60−90 90−120 120−150 150−180 180−210 210−240
Number of schools: 5 12 14 18 10 9 4

Find the lower quartile, the upper quartile, the interquartile range and the semi-interquartile range for the following frequency distributions: 

Variate  10 11 12 13 14 15 16 17 18 19 20
Frequency 1 2 3 1 2 4 2 1 1 2 1

Following table present educational level (middle stage) of females in Arunachal pradesh according to 1981 census:

Age group Number of females
(to the nearest ten)
10 - 14 300
15 - 19 980
20 - 24 800
25 - 29 380
30 - 34 290

Draw a histogram to represent the above data.


Draw the histogram for the following frequency distribution and hence estimate the mode for the distribution.

Class Frequency
0 - 5 2
5 - 10 7
10 - 15 18
15 - 20 10
20 - 25 8
25 - 30 5
Total 24

Identify the following data can be represented in a histogram?

Production of cycles in different years


In a village, there are 570 people who have cell phones. An NGO survey their cell phone usage. Based on this survey a histogram is drawn

How many of them use the cell phone for more than 5 hours?


The following histogram shows the frequency distribution of teaching experiences of 30 teachers in various schools:

  1. What is the class width?
  2. How many teachers are having the maximum teaching experience and how many have the least teaching experience?
  3. How many teachers have teaching experience of 10 to 20 years?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×