Reference no: EM131442602
The owner of an exercise club believes the mean value of the amount of weight lost in a program during six months should be at least 30 pounds. The number of pounds lost by a sample of 29 people over six months is given below:
3, 4, 5, 5, 6, 7, 7, 10, 10, 10, 11, 12, 15, 15, 18, 18, 20, 23, 24, 25, 25, 28, 29, 30, 35, 40, 41, 44, 45
Can you reject the owner's claim at alpha = 0.01? Check conditions before you perform the test. Use Minitab>stat>basic stat> 1-sample t to get the p-value and then use p-value approach.
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Prioritize the critical process steps
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What evidence you find that report cards improved quality
: A proposal has been advanced to limit advertising of pharmaceutical prices to prevent unfair pricing by national chains. You estimate that limits on price advertising will change the price elasticity of demand from -5.63 to -4.43.
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W much of each of his products to produce in each plant
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Toothpaste manufacturer claim
: Set up the null and alternative hypotheses for the toothpaste manufacturer. Out of a random sample of 40 toothpaste purchases, 19 are from this manufacturer. Can you conclude the toothpaste manufacturer's claim at α = 0.024? (Use p-value approac..
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P-value and then use p-value approach
: Can you reject the owner's claim at alpha = 0.01? Check conditions before you perform the test. Use Minitab>stat>basic stat> 1-sample t to get the p-value and then use p-value approach.
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Evidence to doubt the supervisor claim
: A random sample of 26 households shows that the sample mean is 33.02 with a standard deviation of 8.16 lb. Is there evidence to doubt the supervisor's claim? (Use α.02 and the rejection region approach).
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Hypothesis using two approaches-rejection region approach
: The data is given below. At 0.05 significance level, test the research hypothesis that μ, the average ratio, is greater than 675. Test the hypothesis using two approaches: the rejection region approach, and the p-value approach.
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Fantaisie brillante on themes from faust
: What is known about this piece? Why was it written? What is the genre of this piece? Does it fit the expectations for its genre (e.g. number and kind of movements, length etc.)? If you dare, you may also write about things such as timbre, texture,..
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What is the sampling distribution of for study
: a) Assume that the president is correct and p = 0.27. What is the sampling distribution of for this study? b) What is the probability that the sample proportion will be between .14 and .40 (to 4 decimals)? c) What is the probability that the sample p..
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