Which of the following numbers would be an outlier if added to the data set below? 22, 20, 23, 21, 25, 31, 28
A. 19
B. 52
C. 27
D. 21

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. −2x + 5 < 17 −2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?