Name: Toothpaste

 

Abstract: Specifications for toothpaste call for the amount of active ingredient in each sample to be 7.20mg .08mg. Ten samples were drawn each day, and the amount of active ingredient in each sample was determined. The data present the mean amount in samples of n=10, and the standard deviation for 30 days.

 

Variables (column):

  1. Day (1-30)
  2. Mean amount of active ingredient
  3. Standard deviation of active ingredient

 

Possible Uses:

 

References: Levine, David, Patricia Ramsey, and Robert Smidt. Applied Statistics for Engineers and Scientists. Upper Saddle River, NJ: Prentice Hall 2001.