Consider the following table, consisting of 20 observations of the variable y and time t. a. Plot
Question:
Consider the following table, consisting of 20 observations of the variable y and time t.
a. Plot the series along with the superimposed linear and exponential trends. Which trend model do you think describes the data well?
b. Estimate a linear trend model and an exponential trend model for the sample. Validate your guess from the graphs by comparing the MSE and MAD.
Transcribed Image Text:
1 3.01 64.9411 7.28 16 14.16 3.13 7 6.10 12 9.04 17 14.85 3 4.19 85.9 13 9.49 1816.77 4 5.079 6.56 14 12.12 19 18.07 729 15 13.15 20 19.99 2 5 4.46 10
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Related Book For
Business Statistics Communicating With Numbers
ISBN: 9780078020551
2nd Edition
Authors: Sanjiv Jaggia, Alison Kelly
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