Question

In Problem 3.63 on page 134, you were introduced to a tea- bag- filling operation. An important quality characteristic of interest for this process is the weight of the tea in the individual bags. The file Teabags contains an ordered array of the weight, in grams, of a sample of 50 tea bags produced during an 8- hour shift.
a. Is there evidence that the mean amount of tea per bag is different from 5.5 grams? (Use α = 0.01.)
b. Construct a 99% confidence interval estimate of the population mean amount of tea per bag. Interpret this interval.
c. Compare the conclusions reached in (a) and (b).


$1.99
Sales0
Views38
Comments0
  • CreatedJuly 16, 2015
  • Files Included
Post your question
5000