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Page 42 of 88 pages. Chapter: 8: Time Series and Forecasting More information about chapter

Time Series Graphical Presentation

The standard graph for a time series is a line graph, known as a Historigram. It is obtained by plotting the time series values (on the vertical axis) against time (on the horizontal axis) as single points, which are joined by straight-line segments.

Example

The following data shows a Number of registered journeys for a Home Removal firm.

Year

Quarter

No of Reg Journeys

1

1

73

2

90

3

121

4

98

2

1

69

2

92

3

145

4

107

3

1

86

2

111

3

157

4

122

4

1

88

2

109

3

159

4

131

Draw a time series graph for this data


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