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4) Educators introduce a new math curriculum and measure 45 students' scores before and at the...

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Statistics

4) Educators introduce a new math curriculum and measure45 students' scores before and at the end of the academic yearusing an exam widely believed to accurately measure students'understanding. The average score at the start the year was 65%, andafter was 75%.


a) In words, what are the null and alternative hypothesis teststhat the educators would most likely be interested intesting?
b) What does a hypothesis test tell us that we can't learn fromsimply noting that students improved 10 percentage points?
c) Suppose the p-value from this hypothesis test was 0.54. Explainhow to interpret this value in this context.

Answer & Explanation Solved by verified expert
4.0 Ratings (520 Votes)
a The hypothesis to be tested is as followsThe null hypothesis is that there is no change in studentsscore before and after introducing the new math curriculumThe alternative hypothesis    See Answer
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