Question 10 5 pts The value of the correlation coefficient "r" ranges between: O-1 and +1 0 0 and +1 -infinity and +infinity O and +infinity O and +10 Question 11 5 pts (T/F) A farmer develops a simple regression model to determine if there is a relationship between the amount of crop that he will harvest and the amount of rainfall. In this example, the variable "rainfall" would be the independent variable. True False Question 12 5 pts Consider the following data and its associated Excel output for a simple linear regression model. How would you describe the linear relationship between Y and X? Period Period 1 Period 2 Period 3 Period 4 Period 5 Period 6 Period 7 Y 10 11 9 12 13 12 15 X 1 2 3 4 5 6 7 Intercept Slope SE Correlation r-squared 2.267 0.843 1.810 0.890 0.791 positive relationship no relationship Oo oo O negative relationship inverse relationship not enough information is provided