OPTION 1: PARAMETER AND STATISTIC Problem Solving: Solve for the mean, variance, and standard deviation. a. There were a total of 30 students who took the examination for a scholarship. Their scores are given below. 93 92 85 78 81 80 81 81 79 88 91 77 84 86 87 88 94 94 95 98 2. The following are the temperatures (in degree Celsius) were recorded from midnight to 4:00 in the morning last October 3, 2015. 26, 29, 28, 31, 26, 28, 31, 27 3. The following are the scores in the 3rd Quarter Test of randomly sampled G11 students in Statistics and Probability. ScoresFrequency 2024 4 2529 6 30-34 18 3539 10 4044 7 45-49 3