27-09-2018

Problem 1. Consider the following data. Consider it a population (not a sample)

• 1. Find the mean, variance and standard deviation

  2. Find the z-scores of 1,5,6 and 10.

  3. How big or small would a data have to be to be considered an outlier?

  4. Use Chebyshev’s Theorem to find the range in which 75% of the data will lie. What is the actual percentage of data in this range?

Problem 2. Consider the following frequency distribution table.

• 1. Find the mean of the data.

  2. Find the variance.

  3. Find the standard deviation