Question
A Professor likes to brag about her students a lot. The class average for her second exam has historically been around a 91. This semester,
A Professor likes to brag about her students a lot. The class average for her second exam has historically been around a 91. This semester, a sample of 15 students has yielded an average of 92 and a standard deviation of 0.5. Is there evidence to suggest that the class average has increased since last semester? Alpha=0.1
A) H0;H1:
B) Test Statistic:
C) P-Value
D) Do you reject or fail to reject the null hypothesis?
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
