Welcome to Statistics

 

Normal Collection Activity

In groups, each of you will collect 100 data observations:

  1. Enter the data in your spreadsheet
  2. Sort it
  3. Find mean/standard deviation (=average, =stdev)
  4. Find values 1 standard deviation below, and 1 standard deviation above mean is (z score of -1 and 1)
  5. Find values 2 standard deviation below, and 2 standard deviation above mean is (z score of -2 and 2)
  6. Find values 3 standard deviation below, and 3 standard deviation above mean is (z score of -3 and 3)
  7. Calculate how many of your values are within 1 standard deviation of the mean.
  8. Calculate how many of your values are within 2 standard deviation of the mean.
  9. Calculate how many of your values are within 3 standard deviation of the mean.
  10. Create a histogram
  11. Paste relevant info on summary sheet

Data links: