Question

Tammy's first seven test scores for this semester are shown.

Tammy's Test Scores
70 63 72 67 70 73 68

Tammy decided to pay a tutor to help her study for the eighth test. On the eighth test, Tammy scored a 93.

Which measure of center will change the most after the eighth test score is added to the list?
median
mean
mode
The mean, median, and mode will not change.

Answer 1

@Pandora

Answer 2

the mean is 69

Answer 3

So, if she was getting lower scores before the tutor, her average score would be lower.
However, her average will go up with the new grade after getting help from the tutor.

Answer 4

the mode would not change

Answer 5

Correct; the mode would not change.

What's another word for \(\it{average}\), thought?

Answer 6

mean

Answer 7

its the mean that would change

Answer 8

That's correct. :)