Question

In: Math

The accompanying data file contains 20 observations for t and yt. t y 1 10.32 2...

The accompanying data file contains 20 observations for t and yt.

t y
1 10.32
2 12.25
3 12.31
4 13
5 13.15
6 13.84
7 14.39
8 14.4
9 15.05
10 14.99
11 16.95
12 16.18
13 17.22
14 16.71
15 16.64
16 16.26
17 16.77
18 17.1
19 16.91
20 16.79

b-1. Estimate a linear trend model and a quadratic trend model. (Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.)

b-2. Which trend model describes the data well?

  • Linear trend based on the R2 measure.

  • Linear trend based on the adjusted R2 measure.

  • Quadratic trend based on the R2 measure.

  • Quadratic trend based on the adjusted R-squared and P-value for the quadratic term

Solutions

Expert Solution

From the given problem

The accompanying data file contains 20 observations for t and yt.

b-1. From the problem is estimate a linear trend model and a quadratic trend model. (Negitive values should be indicated by a minus sign. Round answer to 2 decimal places.)

b-2. Which trend model describes the data well. Linear trend based on the R2 measure. Linear trend based on the adjusted R2 measure. Quadratic trend based on the R2 measure. Quadratic based on the adjusted R-squared and P-value for the quadratic term.


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