2010 Sample Final

2010 Sample Final - [SAMPLE TEST] AMS110.02 Final Exam...

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[SAMPLE TEST] AMS110.02 Final Exam (Spring 2010) Possible Points:100; Time: 120 Minutes Last Name: _____________________ First Name: _____________________ Student ID Number: _____________________ 1. A consumer watchdog group suspects that a yogurt that is advertised to be 98% fat free has in fact a higher mean fat content. The group will take action against the company if it can substantiate its suspicion with factual data. For this purpose, the group takes a sample of 25 yogurt cups (each containing 170 grams) and measured the fat contents. If the company’s claim is correct, then the mean fat content should be no more than 2%, i.e., 3.4 grams. Also suppose that σ of the fat contents is .5 grams. a. Set up the hypotheses to be tested. b. Suppose that the mean fat content for 25 sample cups was 3.6 grams. Report the p- value. c. Is there enough statistical evidence to support the consumer group’s suspicion at .06 α = ? Explain using the p-value that you find. 2.
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This note was uploaded on 03/28/2011 for the course AMS 110 taught by Professor N/a during the Spring '08 term at SUNY Stony Brook.

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2010 Sample Final - [SAMPLE TEST] AMS110.02 Final Exam...

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