Answer to Question 1
D.
Explanation: A frequency polygon is a graph that represents a data set. In a frequency polygon, the graph shows test scores represented in the horizontal axis and the number of occurrences, or frequencies, represented on the vertical axis.
Answer to Question 2
B.
Explanation: Measures of Central Tendency describes a way to organize data to see how the data cluster, or are distributed around a numerical representation of the average score.