Quantitative studies data, at least and at most dont know how to do

37 38 33 bi The following frequency distribution shows the daily allow ances (to the nearest RM) of 40 all workers of a company 41 42 Daily allow ances (RM) Number of Workers 43 at most 20 3 44 21 - 28 14 45 29 - 36 10 46 37 - 44 34 47 15 - 63 24 48 at least 64 4 49 50 (i) Complete the table below and hence calculate the mean and the standard (7 marks) 51 deviation. 52 53 54 55 56 57 58 59 If no dropdown list, copy from here. 60 Total Options of type of standard deviation. 61 Sample 62 Mean = Population 63 standard deviation 64 65 (ii) Find the values of the following components and compute the mode (4 marks) 66 67 LM = CM = IM = f. = H = 58 69 Mode = 70 71 (iii) Find the values of the following components and compute the lower quartile. (4 marks) 72 73 Lo = Ca = 74 75 lower quartile = 76 77