I am not sure where to start with this problem...
If you were to draw a scatter plot of the number of women in the work force versus number of Christmas trees sold in the United States annually between 1930 and the present, you would find a strong positive correlation.
Why do you think this would be true?
Does one cause the other?
Is regression analysis appropriate in this instance?
I am sure that the reason this would be true is because women working increases the amount of disposable income a family has and therefore makes the ability to buy a tree for ...
A discussion of the correlation between women and sales of Christmas and if the correlation supports theories. Additionally, the use of regression in determining the value of the statement.