Two scales at Aussieburgers, Ltd., were used to weigh the same 25 samples of hamburger patties for
Question:
Two scales at Aussieburgers, Ltd., were used to weigh the same 25 samples of hamburger patties for a fast-food restaurant in Australia. Results are shown in Ch04Data.xlsx file for Prob04-07 on the Student Companion Site for this chapter. The samples were weighed in grams, and the supplier has ensured that each patty weighs 114 grams. Which scale is more accurate? Which is more precise? Which is the better scale?
Aussieburgers, Ltd. | |||||||||||
Descriptive Statistics and Frequency Chart | |||||||||||
This spreadsheet is designed for up to 100 pieces of data Enter data ONLY in yellow-shaded cells. | |||||||||||
Note: The data and cell boundaries below were sorted in ascending order to more accurately show the increasing values on the histogram | |||||||||||
as contrasted with decreasing values in the even-numbered solutions in the text. | |||||||||||
Australian Hamburger Weights | |||||||||||
Frequency Table - Problem 4-7a | |||||||||||
Upper Cell | |||||||||||
Sorted | Boundaries | Frequencies | |||||||||
DATA | Values | ||||||||||
1 | 112 | Cell 1 | 112.00 | 3 | |||||||
2 | 112 | Cell 2 | 112.67 | 0 | |||||||
3 | 112 | Cell 3 | 113.33 | 5 | |||||||
4 | 113 | Cell 4 | 114.00 | 9 | |||||||
5 | 113 | Cell 5 | 114.67 | 0 | |||||||
6 | 113 | Cell 6 | 115.33 | 6 | |||||||
7 | 113 | Cell 7 | 116.00 | 2 | |||||||
8 | 113 | ||||||||||
9 | 114 | ||||||||||
10 | 114 | Standard Statistical Measures | |||||||||
11 | 114 | ||||||||||
12 | 114 | Mean | 113.9600 | ||||||||
13 | 114 | Median | 114.0000 | ||||||||
14 | 114 | Mode | 114.0000 | ||||||||
15 | 114 | Standard deviation | 1.1358 | ||||||||
16 | 114 | Variance | 1.2900 | ||||||||
17 | 114 | Max | 116.0000 | ||||||||
18 | 115 | Min | 112.0000 | ||||||||
19 | 115 | Range | 4.0000 | ||||||||
20 | 115 | ||||||||||
21 | 115 | ||||||||||
22 | 115 | ||||||||||
23 | 115 | ||||||||||
24 | 116 | ||||||||||
25 | 116 | ||||||||||
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An Introduction To Six Sigma And Process ImprovementISBN: 9781133604587 2nd Edition Authors: James R. Evans, William M. Lindsay
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