What is the average of sample ranges in the random samples? Must compute ea alue in 2 dec pl.
What is the average of sample ranges in the random samples? Must compute ea alue in 2 dec pl.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Transcribed Image Text:A quality analyst wants to construct a sample mean chart for controlling a packaging
process. Each day last week, he randomly selected four packages and weighed
each. The raw data (in ounces) from that quality control activity appear below.
Weight
Day
Package 1
Package 2
Package 3
Package 4
Monday
23
22
23
24
Tuesday
23
21
19
21
Wednesday
20
19
20
21
Thursday
18
19
20
19
Friday
18
20
22
20
What is the average of sample ranges in the random samples? Must compute each
value in 2 dec pl.
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