Fat content data

A scientist for a company that manufactures processed food wants to assess the percentage of fat in the company's bottled sauce. The advertised percentage is 15%. The scientist measures the percentage of fat in 20 random samples. Previous measurements found that the population standard deviation is 2.6%.

You can use this data to demonstrate 1-Sample Z, Normality Test, Probability Plot, Stem-and-Leaf Plot, and other commands that analyze distributions.