45 POINTS!!!! I need help with number 1, I don’t understand it, can someone explain pls :)

Answer:
Recognize and use measures of center and measures of variation to describe data. Recognize that a measure of center for a numerical data set summarizes all of its values with a single number, while a measure of variation describes how its values vary with a single number.
Step-by-step explanation:
look at the examples below for more help, good luck!!