Sir i am stuck for this question

Question 26 Not yet answered Marked out of 1.00 Flag question Which of the following can complete the statement correctly? The standard error of the sample mean ... . (i) is never larger than the standard deviation of the population. . (ii) measures the variability of the sample mean. . (iii) decreases as the sample size increases. . (iv) is equal to Vn Select one: O a. (1), (ii) and (ili) only O b. (1), (ii), (i) and (iv) O c. (ii) and (ili) only O d. (ii), (iii) and (iv) only O e. (i), (iii) and (iv) only