What effect will the presence of the outlier in the data set below have on the mean of the data set? {78, 99, 85, 92, 97, 90, 89, 27, 97, 72, 75, 83, 91, 96} A. The outlier will make the mean significantly greater than it would have been without the outlier. B. The outlier will make the mean significantly less than it would have been without the outlier. C. The outlier will have no significant effect on the mean of the data set. D. No outlier exists in this data set