#### Chapters

Chapter 2: Profit , Loss and Discount

Chapter 3: Compound Interest

Chapter 4: Expansions

Chapter 5: Factorisation

Chapter 6: Changing the subject of a formula

Chapter 7: Linear Equations

Chapter 8: Simultaneous Linear Equations

Chapter 9: Indices

Chapter 10: Logarithms

Chapter 11: Triangles and their congruency

Chapter 12: Isosceles Triangle

Chapter 13: Inequalities in Triangles

Chapter 14: Constructions of Triangles

Chapter 15: Mid-point and Intercept Theorems

Chapter 16: Similarity

Chapter 17: Pythagoras Theorem

Chapter 18: Rectilinear Figures

Chapter 19: Quadrilaterals

Chapter 20: Constructions of Quadrilaterals

Chapter 21: Areas Theorems on Parallelograms

Chapter 22: Statistics

Chapter 23: Graphical Representation of Statistical Data

Chapter 24: Perimeter and Area

Chapter 25: Surface Areas and Volume of Solids

Chapter 26: Trigonometrical Ratios

Chapter 27: Trigonometrical Ratios of Standard Angles

Chapter 28: Coordinate Geometry

## Chapter 23: Graphical Representation of Statistical Data

### Frank solutions for Class 9 Maths ICSE Chapter 23 Graphical Representation of Statistical Data Exercise 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 | saving |

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

Draw a bar graph for the above data.

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.

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 | Hindi | Physical education |

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

Draw horizontal bar graph for the above data.

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 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.

Draw a histogram for the following frequency distribution:

Train fare |
0 - 50 | 50 - 100 | 100 - 150 | 150 - 200 | 200 - 250 | 250 - 300 |

No. of travellers |
25 | 40 | 36 | 20 | 17 | 12 |

The following frequency distribution table shows the cost of living in a city in a period of 2years. Draw histogram for this frequency distribution:

Cost of living |
2000 - 2500 | 2500 - 3000 | 3000 - 3500 | 3500 - 4000 | 4000 - 4500 | 4500 - 5000 | 5000 - 5500 | 5500 - 6000 |

No. of months |
3 | 4 | 2 | 5 | 3 | 2 | 4 | 1 |

Draw a histogram for the following frequency table:

Class interval |
5 - 9 | 10 - 14 | 15 - 19 | 20 - 24 | 25 - 29 | 30 - 34 |

Frequency |
5 | 9 | 12 | 10 | 16 | 12 |

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 |

Draw a histogram for the following cumulative frequency table:

Class interval |
0 - 10 | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 |

Cumulative frequency |
6 | 10 | 18 | 32 | 40 |

Draw a histogram and a frequency polygon for the following data:

Marks |
0 - 20 | 20 - 40 | 40 - 60 | 60 - 80 | 80 - 100 |

No. of students |
12 | 18 | 30 | 25 | 15 |

Draw a histogram and a frequency polygon for the following data:

Wages |
150 - 200 | 200 - 250 | 250 - 300 | 300 - 350 | 350 - 400 | 400 - 450 |

No. of workers |
25 | 40 | 35 | 28 | 30 | 22 |

Draw a frequency polygon for the following data:

Expenses |
100 - 150 | 150 - 200 | 200 - 250 | 250 - 300 | 300 - 350 | 350 - 400 |

No. of families |
22 | 37 | 26 | 18 | 10 | 5 |

Draw a frequency polygon for the following data:

Class |
15 - 20 | 20 - 25 | 25 - 30 | 30 - 35 | 35 - 40 | 40 - 45 |

Frequency |
5 | 12 | 15 | 26 | 18 | 7 |

Draw a frequency polygon for the following data:

Marks |
5 - 9 | 10 - 14 | 15 - 19 | 20 - 24 | 25 - 29 | 30 - 39 |

No. of students |
7 | 11 | 15 | 22 | 18 | 5 |

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?

## Chapter 23: Graphical Representation of Statistical Data

## Frank solutions for Class 9 Maths ICSE chapter 23 - Graphical Representation of Statistical Data

Frank solutions for Class 9 Maths ICSE chapter 23 (Graphical Representation of Statistical Data) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Class 9 Maths ICSE solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 9 Maths ICSE chapter 23 Graphical Representation of Statistical Data are Variable, Tabulation of Data, Frequency, Frequency Distribution Table, Class Intervals and Class Limits, Cumulative Frequency Table, Graphical Representation of Data, Concepts of Statistics, Frequency Distribution Table, Graphical Representation of Continuous Frequency Distribution.

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