The following is the data of the number of people of a particular village having abnormal blood pressure at different age groups: Age group Number of people 10 - 15 6 15 - 20 5 20 - 25 3 25 - 30 6 30 - 35 4 35 - 40 7 40 - 45 5 45 - 50 2 Draw the histogram of the data.

The following is the data of the number of people of a particular village having abnormal blood pressure at different age groups: Age group No.of people 10 - 15 6 15 - 20 5 20 - 25 3 25 - 30 6 30 - 35 4 35 - 40 7 40 - 45 5 45 - 50 2 Histogram is a graphical display of data using bars of different heights. Here, to draw the histogram, consider age group of the people on X - axis and number of people on Y - axis . Using the bars(rectangle), mark the number of people of the corresponding age group. The histogram of the above data is given below:

The monthly expenditure of the households of a ward of municipality is given in the following data: Monthly expenditure No.of people 501 - 750 75 751 - 1000 125 1001 - 1250 200 1251 - 1500 150 1501 - 1750 230 1751 - 2000 180 2001 - 2250 120 2251 - 2500 60 2501 - 3000 55 Draw the histogram and frequency polygon of the above data.

The monthly expenditure of the households of a ward of municipality is given in the following data: Monthly expenditure No.of people 501 - 750 75 751 - 1000 125 1001 - 1250 200 1251 - 1500 150 1501 - 1750 230 1751 - 2000 180 2001 - 2250 120 2251 - 2500 60 2501 - 3000 55 Here, to draw the histogram, consider monthly expenditure on X - axis and number of households on Y - axis . Using the bars(rectangle), mark the number of households of the corresponding expenditure. To draw the frequency polygon, consider the mid-points of the histogram and join all the points starting from origin. The histogram and frequency polygon of the above data is given below:

The data occurrence of a particular disease in different age groups of a locality is given below: Age group Number of people. 15 - 25 25 26 - 35 30 36 - 40 27 41 - 50 18 51 - 55 47 56 - 60 20 61 - 75 6 76 - 90 2 Draw the histogram of the data.

The data occurrence of a particular disease in different age groups of a locality is given below: Age group No.of people 15 - 25 25 26 - 35 30 36 - 40 27 41 - 50 18 51 - 55 47 56 - 60 20 61 - 75 6 76 - 90 2 Histogram is a graphical display of data using bars of different heights. Here, to draw the histogram, consider age group of the people on X - axis and number of people on Y - axis . Using the bars(rectangle), mark the number of people of the corresponding age group. To draw a frequency polygon, draw a mid-points of the bars of the histogram and join all the points. The histogram and frequency polygon of the above data is given below:

Draw the frequency polygon of the following data: Marks Number of students. 0 - 10 6 10 - 20 14 20 - 30 25 30 - 40 35 40 - 50 46 50 - 60 51 60 - 70 32 70 - 80 24 80 - 90 7 90 - 100 2

Given: Marks No.of students 0 - 10 6 10 - 20 14 20 - 30 25 30 - 40 35 40 - 50 46 50 - 60 51 60 - 70 32 70 - 80 24 80 - 90 7 90 - 100 2 To draw the frequency polygon, first draw the histogram of the given data. Histogram is a graphical display of data using bars of different heights. Here, to draw the histogram, consider marks on X - axis and number of students on Y - axis . Using the bars(rectangle), mark the number of people of the corresponding age group. To draw a frequency polygon, draw a mid-points of the bars of the histogram and join all the points. The histogram and frequency polygon of the above data is given below:

E M B I B E

Mathematics for Class 9>Chapter 14 - Statistics>EXERCISE 14.2

Manipur Board Solutions for Chapter: Statistics, Exercise 2: EXERCISE 14.2

Author:Manipur Board

Manipur Board Mathematics Solutions for Exercise - Manipur Board Solutions for Chapter: Statistics, Exercise 2: EXERCISE 14.2

Attempt the practice questions on Chapter 14: Statistics, Exercise 2: EXERCISE 14.2 with hints and solutions to strengthen your understanding. Mathematics for Class 9 solutions are prepared by Experienced Embibe Experts.

Questions from Manipur Board Solutions for Chapter: Statistics, Exercise 2: EXERCISE 14.2 with Hints & Solutions

MEDIUM

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 14 - Statistics>EXERCISE 14.2>Q 1

The following is the data of the number of people of a particular village having abnormal blood pressure at different age groups:

Age group	Number of people
$10 - 15$	$6$
$15 - 20$	$5$
$20 - 25$	$3$
$25 - 30$	$6$
$30 - 35$	$4$
$35 - 40$	$7$
$40 - 45$	$5$
$45 - 50$	$2$

Draw the histogram of the data.

MEDIUM

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 14 - Statistics>EXERCISE 14.2>Q 2

The monthly expenditure of the households of a ward of municipality is given in the following data:

Monthly expenditure	No.of people
$501 - 750$	$75$
$751 - 1000$	$125$
$1001 - 1250$	$200$
$1251 - 1500$	$150$
$1501 - 1750$	$230$
$1751 - 2000$	$180$
$2001 - 2250$	$120$
$2251 - 2500$	$60$
$2501 - 3000$	$55$

Draw the histogram and frequency polygon of the above data.

MEDIUM

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 14 - Statistics>EXERCISE 14.2>Q 3

The data occurrence of a particular disease in different age groups of a locality is given below:

Age group	Number of people.
$15 - 25$	$25$
$26 - 35$	$30$
$36 - 40$	$27$
$41 - 50$	$18$
$51 - 55$	$47$
$56 - 60$	$20$
$61 - 75$	$6$
$76 - 90$	$2$

Draw the histogram of the data.

MEDIUM

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 14 - Statistics>EXERCISE 14.2>Q 4

Draw the frequency polygon of the following data:

Marks	Number of students.
$0 - 10$	$6$
$10 - 20$	$14$
$20 - 30$	$25$
$30 - 40$	$35$
$40 - 50$	$46$
$50 - 60$	$51$
$60 - 70$	$32$
$70 - 80$	$24$
$80 - 90$	$7$
$90 - 100$	$2$

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