The article Evaluating Variability in Filling Operations(Food Tech., 1984: 5155)
Chapter 9, Problem 93(choose chapter or problem)
The article Evaluating Variability in Filling Operations(Food Tech., 1984: 5155) describes two different fillingoperations used in a ground-beef packing plant. Both fillingoperations were set to fill packages with 1400 g of groundbeef. In a random sample of size 30 taken from each fillingoperation, the resulting means and standard deviations were1402.24 g and 10.97 g for operation 1 and 1419.63 g and9.96 g for operation 2.a. Using a .05 significance level, is there sufficient evidenceto indicate that the true mean weight of the packagesdiffers for the two operations?b. Does the data from operation 1 suggest that the truemean weight of packages produced by operation 1 ishigher than 1400 g? Use a .05 significance level.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer