Statistics Multiple Choice Questions
Statistics Multiple Choice Questions 1) The runs scored by a batsman in 5 ODIs are 31,97,112, 63, and 12. The standard deviation is 24.79 23.79 25.79 26.79 Answer: Option c Explanation: Here, first, we need to find mean = 31+97+112+12= 315/5 = 63 Standard deviation = [1/n (x(n)-mean)2]0.5 = 25.79 2) Find the mode of the call received on 7 consecutive day 11,13,13,17,19,23,25 11 13 17 23 Answer: Option b Explanation: Mode = The value that appears most frequent; here, the number 13 repeated twice. 3) Find the median of the call received on 7 consecutive days 11,13, 17, 13, 23,25,19 13 23 25 17 Answer: Option d Explanation: Where, n = number of terms = 7 The median is the middle value of the data sets, so first, we need to arrange the number in ascending order 11,13,13,17,19,23,25 the middle one is 7+1/2 = 4th number so, the 4th number is 17 4) Find the mode and median of the 9 consecutive number 12,7,8,14,21,23,27,7,11 12,9 7,9 7,12 11,9 Answer: Option c Explanati...