The following time series data show the number of lightning strikes in a particular county for the most recent seven months.
Month 1 2 3 4 5 6 7
Value 23 12 19 11 18 22 14
(a)
Construct a time series plot.
What type of pattern exists in the data?
a. The data appear to follow a seasonal pattern.
b. The data appear to follow a cyclical pattern.
c. The data appear to follow a horizontal pattern.
d. The data appear to follow a trend pattern.