Hannah collected the data for types of birds that came into her garden for 20 minutes duration with the following notations:
Name of Birds Notation

Robin R

Dove D

Sparrow S

Collected data set: {R D S S D D D R R}

Find the height of the rectangular bar corresponding to category 'Dove' when the data set is plotted in a vertical bar graph.

units.


Robin	R
Dove	D
Sparrow	S

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Solution

Frequency table of the given data set is as follows:
Type of Birds Frequency

R 3

D 4

S 2

The bar graph representation with type of birds plotted on the horizontal axis and frequency on the vertical axis:

We can observe that the height of the rectangular bar corresponding to 'Dove' is the 4 units.


R	3
D	4
S	2

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Frequency table of the given data set is as follows: Type of Birds Frequency R 3 D 4 S 2 The bar graph representation with type of birds plotted on the horizontal axis and frequency on the vertical axis: We can observe that the height of the rectangular bar corresponding to 'Dove' is the 4 units.