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AP Statistics 10.2.4: Workday- Section 10.2

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AP Statistics 10.2.4: Workday- Section 10.2
AP Statistics 10.2.4: Workday- Section 10.2
AP Statistics 10.2.4: Workday- Section 10.2
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Workday- Section 10.2

Objectives:
-Has there been grade inflation at Northgate? Ten years ago the average GPA was 2.35 with a standard deviation of 0.4. A sample of 100 randomly chosen students had a GPA of 2.45 last fall. Is this normal random variation, or is there good evidence at the alpha=.05 level that grades have risen?


Reference Text:
The Practice of Statistics, First Edition.
Yates, Moore, McCabe
http://www.whfreeman.com/Catalog/static/whf/yates/
Total Pages
3
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Teaching Duration
40 Minutes

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AP Statistics 10.2.4: Workday- Section 10.2
AP Statistics 10.2.4: Workday- Section 10.2
AP Statistics 10.2.4: Workday- Section 10.2