Question

PLEASE HELP!!!! I need to know how to do this step by step.
Mrs. Jones Algebra 2 class scored very well on yesterday's quiz. With one exception, everyone received an A. Within how many standard deviations of the mean do all the quiz grades fall?
91,92,94,88,96,99,91,93,94,97,95,97

Answer 1

@IMstuck

Answer 2

@tkhunny

Answer 3

@Preetha

Answer 4

@iheartfood

Answer 5

use a calculator add them all up and then divide by 12

Answer 6

never mind

Answer 7

@Nanalew

Answer 8

i don't know this bye

Answer 9

connections?

Answer 10

yes

Answer 11

@Jelia97 yes

Answer 12

what

Answer 13

nevermind @ekim5095

Answer 14

Have you considered calculating the standard deviation?

Answer 15

what class?