Other questions in this quiz

2. One disadvantage of a mathematical model is

  • they only work for a restricted set of variables
  • its very expensive
  • that there are too many variables

3. When using coding the mean must be

  • uncoded by addition and subtration only
  • left as it is
  • uncoded completely
  • uncoded by multiplication and division only

4. Variance is the square root of standard deviation

  • False
  • True

5. Standard deviation is uncoded by

  • uncoded completely
  • multiplying or dividing only
  • adding or subtracting only

Comments

Yvonne Andrews

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Amazing, greatloy helpful, Paul, aged 11

Alikem McRugged

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Is there a way of remembering Negative and Positive skew cause I ALWAYS get them confused

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