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B. Manufacturers of a new drug on the market claims to reduce weight at an average of 4.55 kg per month. Fifteen women chosen at random have reported losing an average of 4.05 kg within a month with a standard deviation of 0.91 kg. Does this data support the claim of the manufacturer at 10% level of significance? Assuming that the population is normally distributed. SOLUTIONS: STEP 1: In symbols: Ho: Ho: Ha: Ha: STEP 2: α= Non-directional/Directional: ^ z-test or t-test: df = (if t-test) -3 -2 -1 O 1 2 3 critical value/s STEP 3: Given: Solutions: STEP 4: Decision: Final Answer:

B. Manufacturers of a new drug on the market claims to reduce weight at an average of 4.55 kg per month. Fifteen women chosen at random have reported losing an average of 4.05 kg within a month with a standard deviation of 0.91 kg. Does this data support the claim of the manufacturer at 10% level of significance? Assuming that the population is normally distributed. SOLUTIONS: STEP 1: In symbols: Ho: Ho: Ha: Ha: STEP 2: α= Non-directional/Directional: ^ z-test or t-test: df = (if t-test) -3 -2 -1 O 1 2 3 critical value/s STEP 3: Given: Solutions: STEP 4: Decision: Final Answer:

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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B. Manufacturers of a new drug on the market claims to reduce weight at an average of 4.55 kg per month. Fifteen women chosen at random have reported losing an average of 4.05 kg within a month with a standard deviation of 0.91 kg. Does this data support the claim of the manufacturer at 10% level of significance? Assuming that the population is normally distributed. SOLUTIONS: STEP 1: In symbols: Ho: Ho: Ha : Ha: STEP 2: α= Non-directional/Directional: z-test or t-test: df = (if t-test) -3 -2 -1 O critical value/s STEP 3: Given: STEP 4: Decision: Solutions: Final Answer: 1 2 3
Transcribed Image Text:B. Manufacturers of a new drug on the market claims to reduce weight at an average of 4.55 kg per month. Fifteen women chosen at random have reported losing an average of 4.05 kg within a month with a standard deviation of 0.91 kg. Does this data support the claim of the manufacturer at 10% level of significance? Assuming that the population is normally distributed. SOLUTIONS: STEP 1: In symbols: Ho: Ho: Ha : Ha: STEP 2: α= Non-directional/Directional: z-test or t-test: df = (if t-test) -3 -2 -1 O critical value/s STEP 3: Given: STEP 4: Decision: Solutions: Final Answer: 1 2 3
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