GROUP TASK #15: Descriptive Statistics

Task

  1. Draw a normal distribution.

  2. Draw a continuous distribution with positive skew.

  3. Draw a histogram distribution with negative skew.

  4. Draw a continuous distribution that is platykurtic.

  5. Draw a histogram distribution that is leptokurtic.

  6. Draw a continuous distribution in which the mean is lower than the mode.

  7. For the following set of numbers, calculate the mean, mode, and median: 2, 4, 4, 6, 6, 10, 14, 14, 14, 18, 18, 20, 20, 30, 70.

    Mean:

    Mode:

    Median:

  8. For the above set of numbers, sketch a boxplot.

Rationale

This task is intended to encourage familiarity with concepts in descriptive statistics.