# FRANK Solutions for Class 9 Maths Chapter 23 - Graphical Representation of Statistical Data

After learning the basic concepts of Statistics, learn to represent data in graphical format using Frank Solutions for ICSE Class 9 Mathematics Chapter 23 Graphical representation of Statistical Data. Revise the solutions for this chapter to understand the given statistical data and construct a diagram to explain the data visually. The chapter covers construction of bar graphs, double bar graphs, histograms, and frequency polygons.

Use TopperLearning’s Frank textbook solutions to read data from graphs for answering questions. Go ahead and explore our ICSE Class 9 Maths Selina solutions for improving your Math skills. Besides, get conceptual clarity by reviewing the questions and answers in our e-learning portal’s ‘UnDoubt’ section.

## Chapter 23 - Graphical Representation of Statistical Data Exercise Ex. 23.1

Harmeet earns Rs.50 000 per month. He a budget for his salary as per the following table:

Expenses |
Accommodation |
Food |
Clothing |
Travel |
Miscellaneous |
savings |

Amount (Rs.) |
12000 |
9000 |
2500 |
7500 |
4000 |
15000 |

Draw a bar graph for the above data.

The bar graph is as follows:

The birth rate thousand of the following states over a certain period is given below:

States |
Punjab |
Haryana |
U.P. |
Gujarat |
Rajasthan |
Jammu and kashmir |

Birth Rate (per thousand ) |
22.9 |
21.8 |
19.5 |
21.1 |
23.9 |
18.3 |

Draw a bar graph for the above data.

The bar graph is as follows:

Fadil, a class IX student, scored market in different subjects (each out of total 100) during his annual examination as given below:

Subject |
Maths |
English |
Science |
Social studies |
Hind |
Physical education |

Mark (out of 100) |
75 |
80 |
77 |
78 |
67 |
89 |

Draw horizontal bar graph for the above data.

The horizontal bar graph is as follows:

The number of students in different sections of class IX of a certain school is given in the following table.

Section |
IX-A |
IX-B |
IX-C |
IX-D |
IX-E |

Number of students |
48 |
40 |
50 |
45 |
38 |

Draw horizontal bar graph for the above data.

The horizontal bar graph is as follows:

The number of students (boys and girls) of class IX participating in different activities during their annual day function is given below:

Activities |
Dance |
Speech |
Singing |
Quiz |
Drama |
Anchoring |

Boys |
12 |
5 |
4 |
4 |
10 |
2 |

Girls |
10 |
8 |
6 |
3 |
9 |
1 |

Draw a double bar graph for the above data.

The double bar graph is as follows:

Draw a histogram for the following cumulative frequency table:

Marks |
Less than 10 |
Less than 20 |
Less than 30 |
Less than 40 |
Less than 50 |
Less than 60 |

Number of student |
7 |
18 |
30 |
45 |
55 |
60 |

Marks |
0 - 10 |
10 - 20 |
20 - 30 |
30 - 40 |
40 - 50 |
50 - 60 |

Number of students |
7 |
11 |
12 |
15 |
10 |
5 |

The histogram is as follows:

14

Read the following bar graph and answer the following questions:

a. What information is given by the graph?

b. Which state is the largest producer of wheat?

c. Which state is the largest producer of sugar?

d. Which state has total production of wheat and sugar as its maximum?

e. Which state has the total production of wheat and sugar minimum?

- The information about Production of wheat and sugar (in million tons) in five different states (U.P., Bihar, W.B., M.P., Punjab) is given in the graph.

- Punjab is the largest producer of wheat.

- U.P. is the largest producer of sugar.

- U.P. has total production of wheat and sugar as its maximum.

- W.B. has the total production of wheat and sugar minimum.

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