You would like to compare the time it takes to get your order ready from two pizza places for pickup, Pizza Company A vs Pizza Company B. You randomly choose 10 different days to order a pepperoni pizza from company A and a separate 10 days to order a pepperoni pizza from company B. Each day you record the time (in minutes) it takes for the order to be ready. A confidence interval for which of the following would be most appropriate? O One mean (sigma known) One mean (sigma unknown) O Mean of differences, using dependent samples (paired data). Difference of two means (independent samples) One proportion. Difference of two proportions Slope of the regression line