Question: Consider the following sample autocorrelation estimates obtained using 250 data points: Lag 1 2 3 Coefficient 0.2 -0.15 -0.1 Assuming that the coefficients are approximately
Consider the following sample autocorrelation estimates obtained using 250 data points:
| Lag | 1 | 2 | 3 |
| Coefficient | 0.2 | -0.15 | -0.1 |
Assuming that the coefficients are approximately normally distributed, what is the value of the Box-Pierce Q-statistic ?
Select one:
a.
37.50
b.
18.09
c.
Not enough information
d.
18.12
e.
0.12
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