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Maths question on statistics

Quiz by David Okafor

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10 questions
Show answers
  • Q1
    What is the mode of the following data set? [2, 4, 6, 8, 8, 10]
    2
    10
    6
    8
    30s
  • Q2
    What is the median of the following data set? [1, 3, 7, 9, 12]
    9
    3
    7
    12
    30s
  • Q3
    What is the range of the following data set? [3, 8, 11, 14, 17]
    14
    3
    8
    17
    30s
  • Q4
    What is the mean of the following data set? [4, 5, 6, 8, 10]
    4
    8
    6.6
    5
    30s
  • Q5
    What is the standard deviation of the following data set? [10, 12, 14, 16, 18]
    14
    2.24
    18
    12
    30s
  • Q6
    What is the correlation coefficient of the following data set? X: [3, 4, 5, 6, 7] Y: [5, 7, 6, 8, 9]
    0.89
    0.93
    0.96
    0.80
    30s
  • Q7
    What is the probability of tossing a coin and getting heads?
    0.25
    1.0
    0.5
    0.75
    30s
  • Q8

    If x2   + 4 = 0. Find the value of x 

    4

    none of the above

    2

    -4

    30s
  • Q9

    If a:b = 5:8, x:y = 25:16, evaluate a/x : b/y

    3:4

    2:5

    125:128

    3:5

    30s
  • Q10

    Round up 4625 to 2 significant figures 

    4000

    4620

    4600

    5000

    30s

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