Question: Mean “The Average”

Find Mean of 8 5 4 4 4 4 2 5 7

Answer: add all values & divide by number of values-

summarizes the center of values that are similar

=4.8

Question: Median

Find Median of 8 5 4 4 4 4 2 5 7

Answer: put values in least to greatest count to the middle-

summarizes the center of values that are mostly similar but have a few outliers

=4 (2 4 4 4 4 5 5 7 8)

Question: Mode

Find Mode of 8 5 4 4 4 4 2 5 7

Answer: most frequent counting-

summarizes the center of values where only a few values are offered

=4

Question: Percentile

Answer: a comparison of your score with all other scores ins a certain time frame

Question: Percentage

Answer: a portion of 100/all

Question: Vertex

Answer: x = -b/2a

Question: Y is found by plugging in x

Answer: x = -b/2a