MCQ
M5800 · [1]
For a set of bivariate data, the coefficient of determination for the linear regression of y on x is R^2 = 0.64 . The regression line has a negative gradient. What is the value of Pearson's product-moment correlation coefficient r ?
Checks instantly · free · no account
Keys A–D to answer
IBMarker is not affiliated with the International Baccalaureate
Organization (IBO). All questions are original, written in the style of the IB
Diploma Programme.