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Displays various statistical information for each question. This report is useful for gaining a better understanding of the distribution of respondents’ answers and how they relate to the entire population.


The Item Statistics report displays the following statistics for each question:

  • Question: sample size and number excluded
  • Summary Statistics: mean, variance, standard deviation and standard error
  • Descriptive Statistics: skewness, kurtosis, T value, mean absolute deviation
  • Percentiles: 25th and 75th percentiles, median and inter quartile range
  • Values: minimum, maximum and range
  • Confidence Intervals: upper and lower bound estimates for a 95% and for a 99% confidence interval

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