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Week 9 workshop Activity.docx

Week 9 workshop Activity.docx - Week 9 workshop Activity Q1...

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Week 9 workshop Activity; Q1: a) There are possible errors in Hypothesis test decision making, which are: Type 1 error: Reject a true null hypothesis, the possibility of a type 1 error is . Example: Ho: the customer does not stole the product, H1: the customer stole the product. Type 1 error, reject Ho and accept H1, which means that the customer stole the product and get a refund. Type 2 error: Do not reject a false null hypothesis, the possibility of a type 2 error is . Example: Ho: the customer stole the product; H1: the customer does not stole the product. Type 2 error: Do not reject Ho and reject H1, which means that the customer does not stole the product but did not get a refund. Null hypothesis rejected Which is more costly? … Type 2 .. Is it easy to estimate? Reputation is in danger Null= no breast cancer Alternative test Type 1=Reject the null in error = a friend has breast cancer… pain distress, a lot of pain Type2 = No cancer, but in fact there is.. Already dead Type 1=going concern
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