You suspect that the spiciness of food served in a restaurant is positively correlated with number of soft drinks ordered. What would be your next steps to test your hypothesis?
A. Plot all data together on a dot plot to assess if there is any visible correlation between the data sets.
B. Observe several cases of people ordering food of varying spice-levels and number of soft drinks ordered.
C. Pick two points on the dot plot and find a line of best fit.
D. Find the correlation coefficient to see how well the line of best fit actually fits the data.

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