SKYBLUE1152 SKYBLUE1152

13-05-2023
Mathematics

Answered

The following tables provides before and after performance results on a Spanish quiz. In between, a Spanish lesson was given. What is the lower limit of the 95% confidence interval for the difference in scores (after lesson minus before lesson scores)? Round your answer to one decimal place.
Before Lesson Quiz Results After Lesson Quiz Results
10 11
14 13
8 8
9 14
14 8
7 13
13 15
6 16
14 17

Answer :

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