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Statistics 1

Quiz by Ben Grief

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30 questions
Show answers
  • Q1
    Identify this symbol s
    Standard error
    Variance
    Mean
    Stardard deviation
    30s
  • Q2
    Identify this symbol µ
    Variance
    True mean
    Standard error
    Mean
    30s
  • Q3
    Identify this symbol x ̅
    True mean
    Standard error
    Mean
    Sum of
    30s
  • Q4
    Identify this symbol s/√n
    Deviation
    Error
    Standard error
    Standard deviation
    30s
  • Q5
    A positive skew has a long tail to the
    Right
    Left
    30s
  • Q6
    Kurtosis is a measure of
    Significance
    Normality
    Reliability
    Tailedness
    30s
  • Q7
    A negative skew has a long tail to the
    Right
    Left
    30s
  • Q8
    With a kurtosis value of 0.5 it is appropriate to use parametric statistics
    True
    False
    30s
  • Q9
    The cross in the centre of the box of a box and whisker plot marks the
    Interquartile range
    Median
    Mean
    Mode
    30s
  • Q10
    The whiskers on a box an whisker plot represent
    The interquartile range
    The total range
    The mean
    The median
    30s
  • Q11
    The box on a box and whisker plot represents the
    The total range
    The mean
    Interquartile range
    The median
    30s
  • Q12
    In a normal distribution +1 standard deviation from the mean represents
    34.1% of the variation
    47.5% of the variation
    99.7% of the variation
    99.7% of the variation
    30s
  • Q13
    In a normal distribution +/-1 standard deviation from the mean represents
    13.5% of the variation
    47.5% of the variation
    99.7% of the variation
    68.2% of the variation
    30s
  • Q14
    In a normal distribution -3 standard deviations from the mean represents
    13.5% of the variation
    47.5% of the variation
    49.8% of the variation
    99.7% of the variation
    30s
  • Q15
    Which are not measures of central tendency?
    Median
    Mean
    Mode
    They are all measures of central tendency
    30s

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