Question

In Mr. Huanabe’s class, students are split into groups of 8. Each group member measured the length of his or her hair. Veronica had the longest hair in her group, with a length of 42 inches. The other seven group members had hair lengths measuring 13, 23, 24, 5, 5, 13, and 8 inches. Find the mean, median and mode without and with Veronica’s hair length, and explain the changes.

Answer 1

a.

When you add Veronica’s hair length, the mean increases by 3.6, and the median and modes stay the same. The mean is most affected by the outlier.
b.

When you add Veronica’s hair length, the mean increases by 5.2, and the median and modes stay the same. The mean is most affected by the outlier.
c.

When you add Veronica’s hair length, the mean increases by 3.6, the median increases by 5, and the modes stay the same. The median is most affected by the outlier.
d.

When you add Veronica’s hair length, the median increases by 3.6, and the mean and modes stay the same. The median is most affected by the outlier.

Answer 2

mean is most affected. you can easily just do the calculations to see how much it increases by

Answer 3

Ok so I got b as my answer, Is that right?

Answer 4

chemENGINEER?

Answer 5

yes

Answer 6

Awesome, Thanks!

Answer 7

http://www.nwea.org/support/article/995/mean-vs-median