ANNUAL RAINFALL
The following are the annual rainfall amounts (in millimeters) recorded in a city for each year beginning with 1995 (listed in order by row). Is there a trend? Construct a time-series graph to determine if there is a trend.


815, 902, 878, 956, 1012, 998, 1055, 1102, 1078, 1025, 1150, 1198, 1132, 1210, 1256, 1235, 1308, 1352, 1380, 1405 

• A. The rainfall shows a consistent increase over time, suggesting an upward trend.
• B. The rainfall shows a steady decrease over time.
• C. The rainfall fluctuates randomly with no clear pattern.
• D. The rainfall remains almost constant throughout the years.

Answer: (A)