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.
