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Question 504:

Calculate the 95% confidence interval on the following GPA's from 30 randomly selected students.
0.979
0.891
0.962
0.858
0.909
0.936
0.963
0.903
0.914
0.925
0.867
0.888
0.735
0.897
0.851
0.776
0.999
0.967
0.503
0.711
0.963
0.943
0.396
0.951
0.747
0.933
0.909
0.583
0.95
0.756

Need help with the concepts in this question ? View the Comparing Two Means: 2 Sample t-test Tutorial.

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