Question

1) Determine whether each of the following applies to the mull or the alternative hypothesis. A) Ho B) Ha or H C) The hypothesis that has equality (i.e. no difference). D) The hypothesis that has no equality (i.e. greater, less, or different). E) The hypothesis we assume is true until we have evidence to reject it. F) The research hypothesis. The goal in a hypothesis test is to test a claim. hypothesis. hypothesis. G) The statistical evidence can only support a claim if the claim is the H) Statistical evidence can be used to reject a claim if the claim is the P-values are extremely useful but often misunderstood. Go to the website below and read the box entitled "The Misunderstood P-value." https://opentextbc.ca/researchmethods/chapter/understanding-null-hypothesis-testing/ I) The p value is not the probability that a hypothesis is true or false. Instead, it is the probability of obtaining the sample result (mean/proportion) if the hypothesis were true. 2) Determine whether each of the following involves a type I or type II error. A) Rejecting Ho by mistake. B) Failing to reject Ho by mistake. C) The probability of this error is equal to the significance level (c). In the medical field, we don't assume a patient has a discase until symptoms/evidence presents itself, that means Ho: Negative for a discase and Ha: Positive for a disease. D) A false positive (a test is positive but it's a mistake). E) A false negative (a test is negative but it's a mistake). In our court system, a person is innocent until proven guilty beyond a reasonable doubt, that means Ho: Innocent and Ha: Guilty F) Casey Anthony was found not guilty (but Prof. Price is pretty sure she's guilty). FYI: Just as 'failing to reject Ho' is not the same as 'accepting Ho, finding a person 'not guilty' is s not the same as 'innocent.

Answer 1

1.

A. Null

B. Alternate

C. Null

D. Alternate

E. Null

F. Alternate

G. Alternate

H. Null

I. Null

2.

A. Type 1 error

B. Type 2 error

C. Type 1 error

D. Type1 error

E. Type 2 error

F. Type 2 error

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