A Statistics teacher wants to see if there is any difference in the abilities of students enrolled i
Question: A Statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final exam scores from students enrolled today and from five years ago is given below:
Today Five years ago
Mean 82 88Variance 112.5 54
Sample Size 45 36
The 95% confidence interval for the difference between two population means is
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Deliverables: Word Document
Deliverables: Word Document
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