Check Math Answers!!

1.Find the mean: 12, 8, 7, 10, 8, 8, 10
A)63
B)12.6
C)9**
D)7

2.The sixth-grade classes have 28, 20, 30, and 25 students. What is the mean number of students in a class?

A)25.75**
B)26.25
C)25
D)27

3.The mean of four numbers is 30. If three of the numbers are 12, 50, and 48, what is the fourth number?

A)120
B)10**
C)12
D)30

4.Carlos measured the rainfall amounts, in inches, in his town for one week. The amounts were 0.1, 0.5, 0, 0.32, 0, 0, 1.5, and 0. What is the outlier in this set of data?

A)0
B)0.1**
C)0.32
D)1.5

5.Cindy asked her friends how many times they had watched a particular movie, with the results of 1, 0, 1, 3, 2, and 7. What is the mean of this set of data without the outlier?

A)1.4**
B)1.75
C)2.3
D)2.8

(**= Answers)

  1. 👍 4
  2. 👎 2
  3. 👁 1,902
  1. 1. Mean= all the numbers added up then divided by the total of numbers, which here would be 7 numbers. 63/7=?

    That's all I know

    1. 👍 6
    2. 👎 2
  2. Okay, thanks !!

    1. 👍 1
    2. 👎 2
  3. I agree with all you answers except #4

    #4 , the outlier is 1.5

    1. 👍 9
    2. 👎 0
  4. okay thanks for your help !! I made a 100%!

    1. 👍 2
    2. 👎 2
  5. Good Job!

    1. 👍 6
    2. 👎 1
  6. That is a 100% on your test

    1. C
    2. A
    3. B
    4. D
    5. A

    1. 👍 25
    2. 👎 0
  7. yup bob is right!! Thanks bob

    1. 👍 6
    2. 👎 0
  8. 1.C
    2.A
    3.B
    4.D
    5.A

    Me and bob are correct

    1. 👍 9
    2. 👎 0
  9. BOB IS 100% CORRECT

    1. 👍 4
    2. 👎 0
  10. thank you bob

    1. 👍 4
    2. 👎 0
  11. 1.C
    2.A
    3.B
    4.D
    5.A

    1. 👍 1
    2. 👎 0
  12. thank you bob

    1. 👍 1
    2. 👎 0
  13. thx BOB 100% YYYYYAAAAAAAAAAAAAAAAAAAYYY

    1. 👍 0
    2. 👎 0
  14. Thx bob

    1. 👍 0
    2. 👎 0
  15. oh really ginger regan buttefield that is great

    1. 👍 0
    2. 👎 0
  16. I got %100 with bob's help! Thank you bob I appreciate it!! <3

    1. 👍 0
    2. 👎 0
  17. the second question and fourth are wrong it doesn't work you guys are lying it doesn't work only the rest are correct but the other ones aren't you guy have to make sure which one you guys are going to pick

    1. 👍 0
    2. 👎 0
  18. tysm bob

    1. 👍 0
    2. 👎 0
  19. Tysm guys add me on roblox its DxsireRay

    1. 👍 1
    2. 👎 0

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