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Bar charts

takriban dakika 1 kusoma

Mada za sehemu hiiStatisticsMada 8
  1. Pictograms
  2. Bar charts
  3. Line graphs
  4. Pie chart
  5. Frequency distribution tables
  6. Frequency polygons
  7. Histograms
  8. Cumulative frequency curves

Bar Charts

They are also called bar graphs. Is a graphical display of information using bars of different heights.

Horizontal and vertical bar charts

For example; imagine you just did a survey of your friends to find what kind of movie they liked best.

Favorite type of movie

Movie TypeNumber of Friends
Action4
Comedy6
Romance5
Drama2

We can show that on a bar graph as here below:

Scale:

vertical scale: 1 cm represents 1 kind of movie

Horizontal scale: 1 cm represents 1 movie they watched.

Bar graph showing favorite movie types

In interpretation of Bar Chart in a recent math test students got the following grades: And this is a bar chart.

Scale:

vertical scale: 1 cm represents 1 grade

Horizontal scale: 1 cm represents 2 students

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