Data Handling

Maths

Data Handling

Bar Graph

• •Bar graph is the simplest form of representing data by displaying rectangular bars of different heights proportional to the value they represent. 

• •Bar graph can also be referred as bar chart, column graph, and column chart.

• •The bars can be plotted vertically or horizontally.

• • Bar graph makes comparison easier. The title of the bar graph tells what the graph is about and bars of different height tell the facts or information.

• • Each bar represents a quantity for a particular group.

  
  

Multiple Choice

1. How many students scored Grade B?

• 10 students

• 5 students

• 25 students

Pie Chart / Pie Graph

• •Representing numerical data by dividing a circle into slices or sectors is called pie chart or pie graph or circle graph.

• • Each sector in pie chart represents a fraction of whole. 

• •It is simple to understand as it summarizes a large data in  visual form.

Fill in the Blanks

How many books are there in the library in all?

Multiple Choice

Which fruits is the least favorite fruits of the students? Explain.

• Orange is the least favorite fruits of the students because the percentage is the smallest.

• Peach is the least favorite fruits of the students because the percentage is the smallest.

Multiple Choice

The pie chart above shows the favorite fruits of a group of students. Which fruits is the most favorite fruit among students?

• Grapes

• Pineapple

• Banana

• Peach

• Orange

Multiple Choice

Which color do students like the most?

• Pink

• Red

• Green

Multiple Choice

How many students ride their bicycle to school?

• 40
• 35
• 30
• 20