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Quiz

Standard Deviation and Percentiles

Serenity Brooks 18 questions

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Questions in this quiz (18)

  1. 1What is the equation for Population Standard Deviation?
    1. AThis equation has a big N on the bottom, and it does not have a square root.Image for option A
    2. BThis equation has a big N on the bottom, and it has a square root.Image for option B
    3. CThis equation has n-1 on the bottom, and it has a square root.Image for option C
    4. DThis equation has n-1 on the bottom, and it does not have a square root.Image for option D
  2. 2What is the equation for Sample Variance?
    1. AThis equation has n-1 on the bottom, and it has no square root.Image for option A
    2. BThis equation has n-1 on the bottom, and it has a square root.Image for option B
    3. CThis equation has N on the bottom, and it has a square root.Image for option C
    4. DThis equation has N on the bottom, and it has no square root.Image for option D
  3. 3What is the equation for Sample Standard Deviation?
    1. AThis equation has n-1 on the bottom and has no square root.Image for option A
    2. BThis equation has n-1 on the bottom and has a square root.Image for option B
    3. CThis equation has N on the bottom and has a square root.Image for option C
    4. DThis equation has N on the bottom and has no square root.Image for option D
  4. 4What is the equation for Population Variance?
    1. AThis equation has n-1 on the bottom and has no square root.Image for option A
    2. BThis equation has n-1 on the bottom and has a square root.Image for option B
    3. CThis equation has N on the bottom and has a square root.Image for option C
    4. DThis equation has N on the bottom and has no square root.Image for option D
  5. 5Your data set is: 1, 2, 3, 4. Find the 9th percentile. For this question, which equation would you use?
    1. AThis equation is equal to a P. And there is a 100 in there.Image for option A
    2. BThis equation is equal to a k.Image for option B
    3. CThis equation is equal to an i. And there is a 100 in there.Image for option C
    4. DThis equation is equal to an s, and it sums things up.Image for option D
  6. 6Your data set is: 1, 2, 3, 4. In which percentile is number 4? For this question, which equation would you use?
    1. AThis equation equals an i. And it has a 100 in it.Image for option A
    2. BThis equation has a P and a 100 in it. P for percentile.Image for option B
    3. CThis equation has a P in it. P for percentile.Image for option C
    4. DThis equation is equal to k.Image for option D
  7. 7Which of the following symbols stands for the mean?
    1. AThis is a "u" like symbol called "Mu"Image for option A
    2. BThis is a capital sigma, which looks like a strange E.Image for option B
    3. CThis is called "x bar" because it is an x with a bar over it.Image for option C
    4. DThis is lowercase sigma, which looks like a fancy "o"Image for option D
  8. 8What does this symbol mean?Image for question 8
    1. ATo add things up.
    2. BTo times the number by itself.
    3. CTo square root the number.
    4. DThis is a symbol for the mean.
  9. 9What is the correct order of operations?
    1. AParentheses, exponents, multiplication, division, addition, subtraction
    2. BMultiplication, division, parentheses, exponents, addition, subtraction
    3. CMultiplication, division, addition, subtraction, parentheses, exponents
    4. DParentheses, exponents, addition, subtraction, multiplication, division
  10. 10Which one is a decimal percentile?
    1. A15th percentile
    2. B32nd percentile
    3. C20th percentile
    4. D64th percentile

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Description
This quiz helps distinguish certain symbols and equations involved in the first couple chapters of Statistics.
Language
English
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