Mathematics, 23.02.2021 06:00 ac9878355
"According to the Web site for the ACT College Entrance Exam, 1,300,599 U. S. high school seniors took the ACT in
2007, earning a mean composite score of 21.1, with a standard deviation of 5.0. Suppose the ACT was administered
to a random sample of 100 seniors from a large public school district in Ohio and the sample mean was 22."
Question 1
1 pts
What would be
A) the (non directional) null hypothesis, and
B) the research hypothesis
(To receive credit, you must state BOTH hypotheses.)
Answers: 3
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