

Observe the above frequency polygon and find the classes having zero frequency.


Important Questions on Statistics
Observe the above frequency polygon and find the class-mark of the class having frequency of students.

Observe the frequency polygon and find the class mark of the class having a frequency of students.

Observe the above frequency polygon and find the lower and upper class limits of the class whose class mark is .

The following table shows the classification of percentage of marks of students and the number of students. Draw a frequency polygon from the table.
Result (Percentage) |
|||||||
Number of students |

The age group and number of persons, who donated blood in a blood donation camp is given below. Draw a pie diagram from it.
Age group (years) | ||||
Number of persons |

The marks obtained by a student in different subjects are shown. Draw a pie diagram showing the information.
Subject | English | Marathi | Science | Mathematics | Social science | Hindi |
Marks |

In a tree plantation programme, the number of trees planted by students of different classes is given in the following table. Draw a pie diagram showing the information.
Standard | th | th | th | th | th | th |
Number of trees |

The following table shows the percentage of demands for different fruits registered with a fruit vendor. Show the information by a pie diagram.
Fruits | Mango | Sweet lime | Apples | Cheeku | Oranges |
Percentages of demand |
