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Unit 4 Review MLT 118

Quiz by FTCC MLT Program

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14 questions
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  • Q1
    Accuracy is
    hitting your intended target or mark - getting as close to the value as possible.
    30s
  • Q2
    Precision is
    the ability to hit the same mark or target each time.
    30s
  • Q3
    Accuracy is measure with
    measures of central tendency, like mean, median, and mode.
    30s
  • Q4
    Precision is measured with
    standard deviation, %CV and variance.
    30s
  • Q5
    Quality control data should be both
    accurate and precise
    30s
  • Q6
    %CV is calculated by
    SD/Mean times 100.
    30s
  • Q7
    Variance is a measurement of
    dispersion of data points relative to the mean of the data set.
    30s
  • Q8
    Variance is calculated by
    SD x SD.
    30s
  • Q9
    To calculate acceptable range of QC, you
    subtract 2SD from the mean for the lower limit and add 2SD to the mean for the upper limit.
    30s
  • Q10
    If the mean is 10 and the SD is 1, what is the acceptable range of QC?
    8-12
    120s
  • Q11
    If the SD is 1, what is the variance?
    1
    120s
  • Q12
    If the variance is 1, is the method precise or imprecise?
    Precise
    120s
  • Q13
    If the mean is 10 and the SD is 1, what is the %CV?
    10%
    120s
  • Q14
    If the method has a %CV of 10%, is the overall precision of the method reliable?
    Yes. 10% or less than is acceptable.
    120s

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