The following data are from a study of reading achievement in children randomly assigned to be taught
Question:
Calculate t and compare it with the two-tailed critical t at the .05 a level. Is there a significant difference in reading achievement due to the curricula?
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Phonics Whole Language 79 86 95 94 72 83 80 93 89 95 98 72 82 93 90 92 74 85 82 86 91 72 92 68 94
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