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In: Statistics and Probability

A university is concerned about the presence of grade​ inflation, which is defined as an increase...

A university is concerned about the presence of grade​ inflation, which is defined as an increase in the average GPA of the​ institution's students over time without a comparable increase in academic standards. To investigate this​ phenomenon, the average GPA for the student body was recorded over the past 11 ​years, as shown in the table to the right. Construct a 99​% confidence interval for the regression slope

Year   GPA
1 3.08
2 2.85
3 2.97
4 2.83
5 2.98
6 3.05
7 3.07
8 2.99
9 3.19
10 3.14
11 3.15

LCL=___ UCL=____

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orchestra answered 2 years ago
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