ASQ
CSSBB · Question #35
CSSBB Question #35: Real Exam Question with Answer & Explanation
The correct answer is D. y = 8.75 - 2x. See the full explanation below for the reasoning.
Question
SCENARIO A Six Sigma team is measuring the moisture content of corn starch as it leaves the conveyer belt of a dryer. They collect one sample four cups of starch at times indicated in the chart at fixed locations labeled A, B, C, and D across the end of the belt. See the diagram below. Find the equation of the regression line for these sample data points: (1, 7) (3, 3) ( 3, 2) (5, ?)
Exhibit
Options
- Ay = 10.8 - 2.9x
- By = 12.9 + 5.2x
- Cy = 16 - 3.7x
- Dy = 8.75 - 2x
- Ey = 22.6 - 4.8x
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