The following applies to questions 5 to 7: A sample of sunshine (x) in percent and temperature in Fahrenheit (y) is recorded below to perform a linear regression test for whether or not correlation exists at a = .05. Assume test conditions are satisfied. X 28.6 32.1 35 31.6 28.6 30 26.6 33.2 24.2 31.3 y 75.4 91.3 86.9 90.7 85.8 88.3 72.5 86.4 70.7 89.4 O HO : p = 0; H1 : r #0 O HO : p = 0; H1 : p * 0 O HO : p = 0; H1 : p > 0 O HO : p = 0; H1 : p