Step 10 ( C) Use the F test to test for a significant relationship. Use a = 0.05. We are to conduct a hypothesis test to determine if there is a significant relationship between x and y, but now we will use the F test statistic. Again, we will test the following hypotheses. Ho: P1 = 0 Ha : B 1 $ 0 The F test statistic is calculated as follows using the mean square due to regression, MSR, and the mean square due to error, MSE. Recall the MSE is using SSE, the sum of squares due to error, and n, the number of observations. F = MSR where MSE = _ SSE MSE' n - 2 Combining these into a single formula, we have the following. MSR F = SSE n - 2 We previously found SSE = 125.7 and n = 5, so we just need to calculate MSR. This will be the sum of squares due to regression, SSR, divided by the number of independent variables. For this test, there is only one independent variable, x, so MSR = SSR. Recall the formula to find SSR where y, is the predicted value of the dependent variable for the ith observation and y is the mean of the observed dependent variables. SSR = (1 - 7)2 The given data follow. Xi 5 12 17 22 Vi 19 27 18 34 29 Find y. y =