Global Scenario On Sustainable and Resilient Coconut Industry by Dr. Jelfina...
Slides for ch05
1. Chapter 5
To accompany
Quantitative Analysis for Management, Eleventh Edition,
by Render, Stair, and Hanna
Power Point slides created by Brian Peterson
Forecasting
36. Trend projections
Observing a time series for the GDP of
Jordan from 2001 to 2011, annual data
Souce: IMF World Development Database
36
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12
JDbl
year2000 2005 2010
37. Trend projections
Observing a time series for the GDP of
Jordan from 2001 to 2011, annual data
Souce: IMF World Development Database
37
y = 1.4431x + 3.2106
R² = 0.9355
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12
JDbl
year2000 2005 2010
38. Trend projections
Different trend models can be
compared
E.g. linear versus quadratic
38
y = 1.4431x + 3.2106
R² = 0.9355
y = 4.9615x0.4884
R² = 0.8158
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12
JDbl
year2000 2005 2010
39. Trend projections
Different trend models can be
compared
E.g. linear versus exponential
39
y = 1.4431x + 3.2106
R² = 0.9355
y = 5.092e0.1294x
R² = 0.977
0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12
JDbl
year2000 2005 2010