An educator believes that new reading activities for elementary school children will improve reading comprehension scores. She

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An educator believes that new reading activities for elementary school children will improve reading comprehension scores. She randomly assigns third graders to an eight-week program in which some will use these activities and others will experience traditional teaching methods. At the end of the experiment, both groups take a reading comprehension exam. Their scores are shown in the back-to-back stem-and-leaf display. Do these results suggest that the new activities are better? Test an appropriate hypothesis and state your conclusion. (*Would Tukey's test be appropriate here? Explain. *Use a rank sum test to test an appropriate hypothesis as well. Compare your conclusions with your previous one.)
An educator believes that new reading activities for elementary school
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Stats Data and Models

ISBN: 978-0321986498

4th edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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