10 questions quiz for introduction to statistic will use minitab 1

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quiz content:

  1. Differentiate between Qualitative and Quantitative Data.
  2. Use graphical tools (Bar charts, Clustered Bar Charts and Pie Charts) for summarizing and representing Qualitative Data.
  3. Use graphical tools (Histograms, Dotplots, Stem-and-Leaf Displays, and Boxplots) for summarizing and representing Quantitative Data.
  4. Calculate various measures of location / center (mean, median, and mode) for raw data as well as for data in the form a frequency distribution, by hand and using Minitab.
  5. Calculate various measures of dispersion / spread / variability (range, interquartile range, and standard deviation) for both raw data and data in the form a frequency distribution, again by hand and using Minitab.
  6. Calculate standardized score or z-score by hand and using Minitab.
  7. Make use of these summary measures to compare datasets and to discuss symmetry or skewness of datasets.
  8. Calculate, from the raw data, the percentage of data values within 1, 2, and 3 standard deviations of the mean, as well as approximate these percentages using the appropriate rule (empirical or Chebyshev’s) when only the mean and standard deviation are known.
  9. Explain cogently why the standard deviation is a valid measure of dispersion and the z-score is a measure of relative standing.
  10. Calculate Mean and Standard Deviation of linearly transformed data.
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