The No-Cal Bottling Company bottles soft drinks for sale to government commissaries. The bottles come in only one flavor (chocolate-lemon) and only one size (32 ounces). Joan Stickler, the quality control officer for the commissaries, wants to keep track of the fill weights of No-Cal and begins to draw daily samples of 100 bottles from the daily receipts. The first ten sample means and ranges are:
If sample ranges ordinarily average 2.5 ounces:
a. Compute 3s control limits for sample means.
b. Compute 3s control limits for sample ranges.
c. What would you conclude about the fill weights of NoCal?

Question

The No-Cal Bottling Company bottles soft drinks for sale to government commissaries. The bottles come in only one flavor (chocolate-lemon) and only one size (32 ounces). Joan Stickler, the quality control officer for the commissaries, wants to keep track of the fill weights of No-Cal and begins to draw daily samples of 100 bottles from the daily receipts. The first ten sample means and ranges are:
  If sample ranges ordinarily average 2.5 ounces: 
a. Compute 3s control limits for sample means.
b. Compute 3s control limits for sample ranges.
c. What would you conclude about the fill weights of NoCal?

Quizplus · Accepted Answer

The Answer of The No-Cal Bottling Company bottles soft drinks for sale to government commissaries. The bottles come in only one flavor (chocolate-lemon) and only one size (32 ounces). Joan Stickler, the quality control officer for the commissaries, wants to keep track of the fill weights of No-Cal and begins to draw daily samples of 100 bottles from the daily receipts. The first ten sample means and ranges are:
  If sample ranges ordinarily average 2.5 ounces: 
a. Compute 3s control limits for sample means.
b. Compute 3s control limits for sample ranges.
c. What would you conclude about the fill weights of NoCal?

The No-Cal Bottling Company Bottles Soft Drinks for Sale to Government