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A professor wants to know if her Psychology statistics class has a good grasp of Basic
math. Six students are chosen at random from the class and given a math proficiency
test. The professor wants the class to be able to score above 70 on the test. The six
students get scores of 62, 92, 75, 68, 83, and 95. Can the professor have confidence
that the mean score for the class on the test would be above 70 at α = 0.10?
____________________1.) What is the null hypothesis?
____________________2.) What is the alternative hypothesis?
____________________3.) What is the test statistic to be used?
____________________4.) What is the appropriate critical region?
____________________5.) What is the actual value of the test statistic?
____________________6.) What is the statistical decision?
_________________________________________________________7.) What is the
statistical conclusion?
Sagot :
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