For each of 10 popular prescription drugs, file XR15042 lists the retail price (in U.S. dollars) for

Question:

For each of 10 popular prescription drugs, file XR15042 lists the retail price (in U.S. dollars) for the drug in several different countries, including the United States, Canada, Great Britain, and Australia. Determine and interpret the coefficients of correlation and determination for U.S. prices versus Canadian prices.