Suppose you have been given the following set of data representing the test scores of 10 college algebra students 78 92 85 67 88 94 72 90 79 81 a Calculate the mean of the test scores of the students 753820 18 92 85 67 88 94 42 90 79 81 b Calculate the median of the test scores of the students 67 72 78 79 81 85 88 90 92 94 85 81 83 82 6 c Suppose the lowest score 67 was an outlier due to an error in grading Calculate the revised mean and median for the data set after removing the outlier How do these values change and what does this indicate about the impact of outliers