Question

The number of trees planted by conclude
of a school in different years is given below
2005 2006 2007 2008
Draw the bar graph to represent the data
year 2005 2006 2007 2008 2009 2010
Number of Treaste
is be planted​

Answer 1

Step-by-step explanation:

Let x

1

,x

2

,x

3

,x

4

be four observations.

According to question

4

x

1

+x

2

+x

3

+x

4

=20

⇒x

1

+x

2

+x

3

+x

4

=80