Data Analysis
Test Scores = 95, 92, 90, 90, 83, 83, 83, 74, 60, 50 Mean = 80 Median = 83 Mode = 83 Range = 45 Variance = 193 Standard deviation = 13.90 Calculations Summary To calculate the mean of given students’ test scores, we have to compute the sum of given test scores, which is 800. Then, the total sum will be divided by the total number of test scores,

