Question
In a manufacturing process, 4 items are inspected every hour for 10 consecutive hours.
The measured quality characteristic (in mm) is given below:
The measured quality characteristic (in mm) is given below.
| Hour | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1 | 50 | 52 | 51 | 49 |
| 2 | 51 | 50 | 53 | 52 |
| 3 | 49 | 50 | 48 | 51 |
| 4 | 52 | 54 | 53 | 51 |
| 5 | 50 | 49 | 51 | 50 |
Answer :
Word Count : 334
First, calculate the mean ((\bar{X})) and range (R) for each hour. Hour 1: Measurements: 50, 52, 51, 49 * Mean: ((50 + 52 + 51 + 49)/4 = 202/4 = 50.5) * Range: (52 - 49 = 3) Hour 2: Measurements: 51, 50, 53, 52 * Mean: ((51 + 50 + 53 + 52)/4 = 206/4 = 51.5) * Range: (53 - 50 = 3) Hour ________ __________ _________ ____ __________ ____ ___.
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First, calculate the mean ((\bar{X})) and range (R) for each hour. Hour 1: Measurements: 50, 52, 51, 49 * Mean: ((50 + 52 + 51 + 49)/4 = 202/4 = 50.5) * Range: (52 - 49 = 3) Hour 2: Measurements: 51, 50, 53, 52 * Mean: ((51 + 50 + 53 + 52)/4 = 206/4 = 51.5) * Range: (53 - 50 = 3) Hour ________ __________ _________ ____ __________ ____ ___.
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