Use the following information regarding a variable (Y) and a variable (X) to answer

n =8

x = 56

y = 296

x²= 428

y²= 11,920

xy = 2,257

1.) The sample covariance equals?

2.) Thesample correlation coefficientequals?

3.) Given the sample correlation coefficient in above question, the comment is?

4.) To test for adirect relationbetween X and Y, the appropriate hypothesis is?

5.) For the above test, thecalculated value of test statisticis?

6.) Using a 1% significance level, thecritical valuefor this test is?

7.) Theconclusionis?