Instructions: 1. Write the null and alternative hypotheses. 2. Calculate the test statistic. 3. Determine the critical value whether or not there has been an improvement. 4. Determine if there has been an improvement from year 1 to year 2. 6. Write up your conclusion. 5. Test at 95% confidence. Data: Data: Days Days Branch Year 1 Year 2 1 3.16 4.24 2 4.35 3.87 3 3.46 3.87 4 3.74 4.12 5 3.61 3.74 6 4.58 4 7 4.24 3.87 8 3.46 4.97 9 3.74 3.12 10 3.64 4.39 11 3.07 4.63