Question 1) Let say a researcher who wants to study on physical activity of nursing students. A researcher wants to examine the physical activity by student year in school (freshman, sophomore, junior, and senor). He will use established physical activity measurement. a) What statistical test researcher should use? 1. Two sample T-test 2. Analysis of Variance (ANOVA) 3. Two sample proportion 4. None of above b) Write the null and alternative hypothesis for part a. 1. HO: w = uz =p3 = 4 and H1: At least one test is not equal 2. HO: 1 = p2 and H1: At least one test is not equal 3. How; = 4 and H1: At least one test is not equal