Practice For SAT Statistics Questions

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| By Jeffann
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Practice For SAT Statistics Questions - Quiz

Practice for SAt questions on Mean,Mode and Median


Questions and Answers
  • 1. 

    What is the mode of the following numbers :(2x20)  , (18 + 2)  (30 x 4/3) ,  (2 x 2 x 10)  , 30 , (47 + 9 - 16)

    • A.

      30

    • B.

      40

    • C.

      20

    • D.

      (18 + 2)

    • E.

      45

    Correct Answer
    B. 40
    Explanation
    Mose is the most common there are three 40 answers

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  • 2. 

    What is the median of 24,28, 20 and  32

    • A.

      26

    • B.

      27

    • C.

      28

    • D.

      29

    • E.

      32

    Correct Answer
    A. 26
    Explanation
    middle number when there are 2 add and divide by 2 eg (24+ 28)/2 = 26

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  • 3. 

    What is the mean of 24,28, 20 and  32

    • A.

      28

    • B.

      30

    • C.

      24.5

    • D.

      26

    • E.

      28

    Correct Answer
    D. 26
    Explanation
    Add and divide by 4 (there are 4 numbers)

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  • 4. 

    The mean of 24,28, 20 and x is 26. What is the value of x ?  

    • A.

      Cannot tell

    • B.

      24

    • C.

      28

    • D.

      30

    • E.

      32

    Correct Answer
    E. 32
    Explanation
    total of the 4 numvbers is 4 x 26 = 104 , 24 +28 +20 = 72 so x = 104 - 72 =32

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  • 5. 

    The median of 24,28, 20 and x is 26. What is the smallest possible value of x ?

    • A.

      20

    • B.

      26

    • C.

      28

    • D.

      30

    • E.

      32

    Correct Answer
    C. 28
    Explanation
    The numbers in order are 20 , 24, 28 , x median of these is 26 - so smallest value of x is 28. If x was smaller then the median would not be 26

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  • Current Version
  • Mar 20, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 27, 2008
    Quiz Created by
    Jeffann
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