Question

Consider the following set of data: {23.32 32.33 32.88 28.98 33.16 26.33 29.88 32.69 18.98 21.23 26.66 29.89} What is the lag-one sample autocorrelation of the time series?

A 0.26
B 0.52
C 0.13
D 0.07
E None of the above
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