Suppose that a third class (W) of 15 students was observed along with classes U and V
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Again, use a chi-square test with α = 0.05 to test the equality of the three distributions by dividing the combined sample into three equal parts.
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In the combined sample of 45 observations the lower third includes those with scores of 61 o...View the full answer
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Related Book For 
Probability and Statistical Inference
ISBN: 978-0321923271
9th edition
Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman
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