UNGROUP DATA SET 1. Professor Lim gave an examination to his mathematics class and recorded the following score below. Compute the range, mean, variance and standard deviation. EXAMINATION SCORE IN MATH 81 83 91 33 85 88 80 93 31 92 86 89 nun\" 2. A researcher gather his sampling data set from UCC as shown below. Compute the range, mean, variance and standard deviation for the give data set. DATA SET