Question 1 (10 marks) a. Using your own words, differentiate descriptive statistics from inferential statistics. (2 ma rks ) ANSWER a): ** Answer box will enlarge as you type b. The sales per day, in dollars, at a retail store are given below. 1520 2620 3360 1350 2545 1430 2400 1550 2390 1560 i. Calculate the mean, median, first quartile and third quartile. (2 marks) ANSWER b {i}: ii. Calculate the variance and standard deviation, interquartile range and coefficient of variation. (2 marks) ANSWER b {ii} : iii. What conclusion can you reach about daily sales at this store. (4 marks) ANSWER b {iii}