Consider the following linear regression prediction equation : Y = 12 + -1x. If

Question

Consider the following linear regression prediction equation : Y = 12 + -1x. If x = 10. What is the predicted value of Y for this observation? Your answer should be a number like 6 or 8. The following data on fertility rates were obtained from Eurostat on seven European countries in 2006. Take note of the direction of the relationship between the mean age at childbearing and the total fertility rate. Which single country appears to be the exception? Spain Greece Netherlands France For which of the following values of Pearson's correlation coefficient, t, is a relationship between two variables the strongest?

Explanation / Answer

Q 32 linear regresson Predicted Equation Y= 12+-1X

when X = 10, the value of predicted Yiwill be

Y = 12+-1X = 12+ (-1)(10) = 12-10= 2

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