1. A coefficient of correlation is equal to -0.00005. Which of the following is true? a) The relationship between two variables is weak. b) The relationship between two variables is weak and positive. c) The relationship between two variables is weak but negative. d) The correlation coefficient cannot have this value. 2. In the model Y = mX + a, m is also known as the: a) Explanatory variable b) Independent variable c) Slope d) y-intercept 3. An explanatory variable is defined as a) Y - P b) The variable to be measured or observed. c) A variable used to predict or explain the values of the response variable. d) Type | error