In a monthly sales data series, an autocorrelation of -0.9 implies that
A. an above average sales in one month is followed by a below average sales in the
next month with a probability of 90%. • B. a below average sales in one month is followed by a below average sales in the
next month and this pattern is significant. •
c. an above average sales in one month is followed by a below average sales in the
next month and this pattern is significant.
D. an above average sales in the last month is followed by a below average sales in
the next month with a probability of 10%.