NO.PZ2015120204000001
问题如下：
The independent variable is the ratio of net income to sales for restaurants with a market cap of more than $100 million and the dependent variable is the ratio of cash flow from operations to sales for those restaurants.
What is the value of the coefficient of determination?
选项：
A.0.8261.
B.0.7436.
C.0.8623.
解释：
B is correct.
The coefficient of determination is the same as R-squared.
问multiple R和R square中文叫什么，分别是什么含义
