Unit 2 as2: computing key numerical measures with a dataset

The purpose of this assignment is to learn to compute key numerical measures for descriptive statistics.

  1. The following data set is about the number of times a sample of 20 families dined out last week: 6 1 5 3 7 3 0 3 1 3 4 1 2 4 1 0 5 6 3 1
  2. Compute the mean and median.
  3. Compute the first and third quartiles.
  4. Compute the variance and standard deviation. 
  5. Compute Z score for each number. 
  6. Do the data contain outliers?

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