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7.1 STA 2023 Exam Questions and Complete Solutions Graded A+
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7.1 STA 2023 Exam Questions and Complete Solutions Graded A+
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7.1 STA 2023 ExamQuestions and Complete
Solutions Graded A+
What is a hypothesis test? - Answer: A process that uses sample statistics to test a claim about the value
of a population parameter
What is a statistical hypothesis? - Answer: A statement about a population parameter
What is a null hypothesis? - Answer: A statistical hypothesis that contains a statement of equality
What is an alternative hypothesis? - Answer: A statement that contains a statement of strict inequality
What re the two decisions you can make when performing a hypothesis test? - Answer: 1) Reject the
null hypothesis
2) Fail to reject the null hypothesis
What is a type I error? - Answer: An error that occurs if the null hypothesis is rejected when it is true
What is a type II error? - Answer: An error that occurs if the null hypothesis is not rejected when it is
false
What is the level of significance? - Answer: The maximum allowable probability of making a type I error
How is a type I error denoted? - Answer: α
How is a type II error denoted? - Answer: β
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