4. (2 pts) We want to compare the number of speeding tickets given to a sample of 1000 Iowa drivers in 2015 versus 2016 (because fines were increased on January 1, 2016). Which statistical test is most appropriate in this situation? a. one-sample z test b. one-sample t test c. t test for related samples d. t test for two independent samples 5. (2 pts) Your SPSS printout shows that, for Levene's test, "F = 1.33 and Sig. = .048." That means you should assume a. ull = H2 b. 0'1 = 02 C. HI F H2 d. o-1# 0'2 6. (2 pts) The weighted average of two sample variances is called a. pooled variance b. degrees of freedom c. sum of squares d. standard error