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

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