In: Statistics and Probability
5. Use a=0.05 to test the following time series for positive autocorrelation.
Period Sales
1 4
2 7
3 11
4 10
5 10
6 11
7 14
8 16
9 12
10 13
11 19
12 12
13 14
14 16
15 15
a. Determine the Durbin-Watson statistic. (Round to two decimal places as needed.)
b. Identify the critical values. dL=? dU=?(Round to two decimal places as needed.)
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