Math

Data Set : 25,8,10,35,5,45,40,30,20

what is the median of the given data set?
A.10
B.22.5
C.25
D.27.5
I think its C

what is the upper quartile of the given data set?
A.35
B.37.5
C.37
D.40
I think its B

what is the givin data of the lower quartile?
A.5
B.8
C.9
D.10
I think its C

Please help need go grades or go back to public school and thats scary! ;-;

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  1. First, put the numbers in order from least to greatest.

    For median:
    https://www.mathsisfun.com/median.html

    For quartiles:
    https://study.com/academy/lesson/quartiles-the-interquartile-range-definition-formulate-examples.html

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    Writeacher
  2. Once you redo each problem, post your answers again, and then wait for a math tutor to check your work.

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    Writeacher
  3. I know your first answer is incorrect. Follow directions in that first link I gave you.

    Follow the directions in the second link I gave you to double-check your second and third answers.

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    Writeacher
  4. ok thank you

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  5. actually, #1 is correct. 25 is the 5th value. 4 below, 4 above.

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    oobleck
  6. oobleck is right! I miscounted the number of values given. Duh!!

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    Writeacher

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