CONFIDENTAL QUESTION 2 (20 MARKS] Measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data. a) The following data shows the score of 40 students of Monash University in a written Mathematics quiz competition. 25 26 34 45 33 30 39 32 40 43 17 48 37 42 37 43 31 37 36 35 29 31 33 23 45 28 44 36 22 39 27 40 34 39 24 30 38 34 44 35 i. Based on the raw data given, complete Table 2. (10 marks) Class Class Midpoint Cumulative interval Frequency Boundary frequency 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 - 40 41 - 45 46 - 50 Total Ef = Efx = ii. Evaluate the mean. (2 marks) ili. Determine the mode. (3 marks) iv. Find the median