An educational study was designed to investigate the effectiveness of a reading program of elementary age children.
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Child 3 moved from the school district and did not take the posttest. Child 5 moved into the district after the start of the study and did not take the pretest. Find a 95% confidence interval estimate of the mean improvement in the reading scores.
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After removing observations with missing values we have the following dat...View the full answer
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Related Book For 
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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