When the outlier(s) are removed, how does the mean change? The mean decreases by 2.1.
The mean increases by 1.6.
The mean increases by 2.1.
There are no outliers.

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.