The following data are daily price quotations of two stocks:
Stock A: 12.50, 12.75, 12.50, 13.00, 13.25, 13.00, 13.50, 14.25, 14.00
Stock B: 35.25, 36.00, 37.25, 37.25, 36.50, 36.50, 36.00, 36.00, 36.25
Is there a correlation between the two stocks? Explain.