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Operation manager has found a significant positive correlation between time needed to finish polishing a product and the amount of energy required. The report she

Operation manager has found a significant positive correlation between time needed to finish polishing a product and the amount of energy required. The report she received reported the value of R squared (=0.084457992) and the calculated t-value calculated (=2.8). What was the sample size?

a.88

b.84

c.85

d.87

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