Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
For a data set of 15 values of x and y,the value of = 313,the standard deviation of errors for the regression of y on x is 8.347,and the value of b is 1.78.
For the purpose of running a hypothesis test,the null hypothesis is that the slope of the population regression line of y on x is zero and the alternative hypothesis is that the slope of this population regression line is greater than zero.The significance level is 5%.
-What is the critical value of t?

A) 1.753
B) 1.751
C) 1.771
D) 2.131