QUESTION 33 When performing a one sample hypothesis test for the mean, which of the following is most crucial when deciding between a Z-test and a t-test? a. Whether you know the population variance. O b. Whether the central limit theorem is applicable. O c. Whether you know the data is independent. O d. Whether you know the data is normally distributed. QUESTION 34 When comparing the N(0,1) distribution with the t10 distribution, which of the following is true? a. They both have the same general shape but the t10 distribution has fatter tails than the N(0, 1) distribution. O b. They both have the same general shape but the t10 distribution has skinnier tails than the N(0, 1) distribution. O c. They t10 distribution is right skewed while the N(0,1) distribution is symmetric. O d. They t10 distribution is left skewed while the N(0,1) distribution is symmetric