Question 1(Multiple Choice Worth 1 points)
(05 04 LC)
A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey results for the first-, second-, and third-period classes are as follows
First period: 2, 4, 3, 1, 0, 2, 1, 3, 1, 4, 9,2,4,3,0
Second period: 3, 2, 3, 1, 3, 4, 2, 4, 3, 1, 0, 2, 3, 1, 2
Third period: 4, 5, 3, 4, 2, 3, 4, 1, 8, 2, 3, 1,0, 2, 1, 3.
Which is the best measure of center for first period, and why?
O Mean, because there are no outliers that affect the center
O Median, because there is one outier that affects the center
O
Interquartile range, because there is one outier that affects the center
O Standard deviation, because there are no outliers that affect the center