# 6.8.1. Representing the Statistical Data by Using Circular Sectors

The figure below shows some students' favourite subjects at a school. What is the percentage of the students who like English?

Show SolutionThe following table shows the production percentage of three types of electric water heaters of a factory:

Type of Heater | First | Second | Third |
---|---|---|---|

Percentage of Production | 70% | 15% | 15% |

If the total production is 1 300 heaters, find the number of heaters of the first type.

- A 70 heaters
- B 195 heaters
- C 15 heaters
- D 910 heaters

A family spends its monthly income as follows: 35% for the food, 30% for house rent, 25% for the expenses, and the remainder is saved. If the family saves LE per month, determine its monthly income.

Show SolutionA family spends its monthly income as follows: 45% for the food, 25% for house rent, 20% for the expenses, and the remainder is saved. If the monthly income of the family is LE, how much will the family save in one year?

Show SolutionKnowing that the figure below shows the sports played by 1 800 members in a club, determine how many members prefer playing tennis.

Show SolutionThe figure below shows the sports preferences of members in a club. Determine the percentage of the members who prefer handball.

Show SolutionThe following table shows the number of hours some students spend watching TV programs:

Program | Entertainment | Cultural | News | Drama | Sports |
---|---|---|---|---|---|

Number of Hours | 11 | 5 | 3 | 6 | 15 |

What’s the least popular program among the students?

- AEntertainment
- BCultural
- CDrama
- DNews

The following figure below shows the grades of 30 students in an exam. What is the central angle of the students who got a grade of excellent?

Show SolutionThe figure below shows the grades of students in an exam. What is the percentage of the students who got a grade of very good?

Show SolutionThe figure below shows the hobbies of students in the same classroom. What is the percentage of students who prefer swimming?

Show SolutionThe figure below shows the favorite hobbies of some students. What is the most popular hobby among them?

- Areading
- Bmusic
- Cswimming
- Dpodcasting

The figure below shows the results of a survey conducted on some students’ favorite hobbies. What is the measure of the central angle of the students who prefer swimming?

- A
- B
- C
- D

The pie chart below shows the results of a survey on the fruit preferences of 30 students in a class. How many students love peaches?

Show SolutionThe figure below shows a survey on 100 students' favourite fruit. How many students like oranges and peaches?

Show SolutionThe figure below shows a survey on some students' favorite fruits, determine the fraction of students who prefer oranges and peaches.

- A
- B
- C
- D

The figure represents a survey on some students' favorite fruits. Determine the fraction of students who prefer oranges and apples.

- A
- B
- C
- D

Using the following table, which shows the percentages of the total chicken production of four farms in a month, find the percentage of the fourth one.

Farm | First | Second | Third | Fourth |
---|---|---|---|---|

Production Percentages |

- A
- B
- C
- D

The following table shows the percentages of chicken production in four farms:

Farm | First | Second | Third | Fourth |
---|---|---|---|---|

Percentage |

Which farm produces more chicken?

- Athird
- Bfourth
- Csecond
- Dfirst

The following table shows the expenditure percentages of a family’s monthly income:

Expenditure | Rent | Food | Others | Saving |
---|---|---|---|---|

Percentage |

Complete the table given that the family's monthly income is LE.

- A
- B
- C
- D

The following table shows the success percentages of five 6th grade classes in a mathematics test:

Class | A | B | C | D | E |
---|---|---|---|---|---|

Percentage of Success |

Which class has the highest success percentage?

- Aclass B
- Bclass E
- Cclass D
- Dclass C