Chapter 8 6 points 7 Round your final answer to 2 digits after the decimal...
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Chapter 8 6 points 7 Round your final answer to 2 digits after the decimal point Sound it out Phonics is an instructional method in which children are taught to connect sounds with letters or groups of letters A sample of 135 first graders who were learning English were asked to identify as many letter sounds as possible in a period of one minute The average number of letter sounds identified was 34 04 with a standard deviation of 23 62 a Construct an 80 confidence interval for the mean number of letter sounds identified in one minu
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