[TABLE="width: 384"]
<colgroup><col span="6"></colgroup><tbody>[TR]
[TD]YEAR[/TD]
[TD="colspan: 2"]X-Production of A[/TD]
[TD="colspan: 2"]Y-Production of B[/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD="colspan: 2"](in metric tons)[/TD]
[TD="colspan: 2"](in metric tons[/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD]A[/TD]
[TD][/TD]
[TD]B[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1981[/TD]
[TD][/TD]
[TD="align: right"]876[/TD]
[TD][/TD]
[TD="align: right"]614[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1982[/TD]
[TD][/TD]
[TD="align: right"]498[/TD]
[TD][/TD]
[TD="align: right"]834[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1983[/TD]
[TD][/TD]
[TD="align: right"]212[/TD]
[TD][/TD]
[TD="align: right"]528[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1984[/TD]
[TD][/TD]
[TD="align: right"]711[/TD]
[TD][/TD]
[TD="align: right"]899[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1985[/TD]
[TD][/TD]
[TD="align: right"]324[/TD]
[TD][/TD]
[TD="align: right"]781[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1986[/TD]
[TD][/TD]
[TD="align: right"]794[/TD]
[TD][/TD]
[TD="align: right"]458[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1987[/TD]
[TD][/TD]
[TD="align: right"]260[/TD]
[TD][/TD]
[TD="align: right"]296[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1988[/TD]
[TD][/TD]
[TD="align: right"]456[/TD]
[TD][/TD]
[TD="align: right"]780[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1989[/TD]
[TD][/TD]
[TD="align: right"]810[/TD]
[TD][/TD]
[TD="align: right"]650[/TD]
[TD][/TD]
[/TR]
[TR]
[TD="align: right"]1990[/TD]
[TD][/TD]
[TD="align: right"]890[/TD]
[TD][/TD]
[TD="align: right"]220
[/TD]
[TD] [/TD]
[/TR]
</tbody>[/TABLE]
a) Find correlation coefficient between X and Y.
b) Find the trend values using two year moving.
c) Draw the trend line and display its equation on the graph