Which of the following statements are true?
check all that apply.
the mean is affected by outliers.
the mean is always a more accurate measure of center than the median.
removing an outlier from a data set will cause the standard deviation to increase.
if a data set’s distribution is skewed, then 95% of its values will fall between two standard deviations of the mean.
if a data set’s distribution to skewed to the right, its mean will be larger than its median.