At alpha of 10%, a city planner wants to test the hypothesis that public transit users spend less time commuting to work than non-public transit users. She obtained the following summary data. Transit Users Non-Transit Users Mean (min) 20 30 Standard Deviation 5 10 Sample Size 26 26 The test value is _________________ Question 35 options: a) None of the options b) - 2.08 c) -17.33 d) -4.56 e) - 2.13