The data given below represent the annual gross revenue, Ask an Expert

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The data given below represent the annual gross revenue (N'millions) obtained by a telephone company over the periods 1987 - 1996:

Year Gross Revenue (N'million)

1987            13.0
1988            14.1
1989            15.7
1990            17.0
1991            18.4
1992            20.9
1993            23.5
1994            26.2
1995            29.0
1996            32.8

(a) Plot the data on a graph paper

(b) Fit a least-squares trend line to the data and plot the line on your graph

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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