Essay
Ten functionally illiterate adults were given an experimental one-week crash course in reading. Each of the 10 was given a reading test prior to the course and another test after the course. The results are shown below. a. Estimate the mean improvement with 95% confidence.
b. Briefly describe what the interval estimate in part a. tells you.
Correct Answer:

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a. 8.6 ± 5.072 = (3.528, 13.67...View Answer
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