Mrs. Sue Algebra outlier/mean recheck

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find the outlier of each set of data describe how the outlier affects the mean. just want to double check on 2 problems that we did

-15
-12
-19
0
-20
-14
the outlier is 0
the mean with the outlier 0
is: -13.33

the mean without the outlier 0
is: -16
is this correct?

next one:

4
-1
-16
2
0
-3
6
-2
for this i added positive got: 12
i added negative and got: -22
do i do 12 - 22
and get 10
10/8 = 1 2/10 = 1 1/5?? not sure on this one

  • Mrs. Sue Algebra outlier/mean recheck -

    Your first answers are right.

    What is the outlier for the second one?

  • Mrs. Sue Algebra outlier/mean recheck -

    the outlier is -16 for question 2

  • Mrs. Sue Algebra outlier/mean recheck -

    Yes.

    -10/8 = -1.2

    Eliminating -16, the median is ?

  • Mrs. Sue Algebra outlier/mean recheck -

    eliminating -16 would be
    12 -6 = 6 for the mean

  • Ms. Sue Algebra outlier/mean recheck -

    Nope.

  • Mrs. Sue Algebra outlier/mean recheck -

    eliminating the -16 would be -6
    -1
    -3
    -2
    = -6

    so 12 - 6 = 6 as mean w/o -16 outlier

  • Mrs. Sue Algebra outlier/mean recheck -

    6/7

  • Mrs. Sue Algebra outlier/mean recheck -

    ,857 is the mean
    i messed up
    12 + -6 = 6
    6 /7
    = .857
    i forgot a step thanks again and again
    .857 is the mean without outlier -16

  • Mrs. Sue Algebra outlier/mean recheck -

    You're welcome.

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