Question

A paper concluded that there was a correlation between refined sugar consumption (calories per person per day) and annual rate of major depression (cases per 100 people) based on data from 6 countries. The following data were read from a graph that appeared in the paper. Compute the correlation coefficient for this data set. (Give the answer to three decimal places.)
r =

Country	Sugar Consumption	Depression Rate
Korea	140	2.4
United States	290	3.1
France	340	4.4
Germany	365	5.0
Canada	390	5.3
New Zealand	470	5.6

Answer 1