Question: A chicken pathologist compares testosterone levels in three strains of roosters. The data are:

Strain 1: 439 568 134 897 229 329
Strain 2: 103 115 098 126 115 120
Strain 3: 107 099 102 105 089 110

a. Create an appropriate graph to compare these data, making sure to label your graph axes appropriately and to give it an appropriate title. (4 points)

b. Carry out the appropriate statistical analysis using SPSS to test whether the levels are different. Please provide me with your output and interpretation of it. (4 points)

c. Was the assumption of homogeneity of variance met? Explain! (2 points)

d. Using one or more post hoc tests, which means were different to which? (3 points)