Complete the following:
Q1. Given the equation of a regression line is y=-2.5x-7.6, what is the best predicted value for y given x=4.1? Assume that the variables x and y have a significant correlation.
A. -2.65 B. 17.85 C. -17.85 D. 2.65
Q2. You wish to test the claim that the mean>23 at a level of significance of alpha=0.05 and are given sample statistics n=50, x=23.3000002, and s=1.2. Compute the value of the standardized test statistic. Round to 2 decimal places.
A. 3.11 B. 0.98 C. 2.31 D. 1.77