Q3.3 Aldi CANDYLAND bags of chocolate coated peanuts advertise they contain 200 grams. You purchase 10...
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Q3.3 Aldi CANDYLAND bags of chocolate coated peanuts advertise they contain 200 grams. You purchase 10 bags and carefully weigh the contents and record the following weights (in grams): 201, 198, 206, 203, 197, 204, 203, 210, 208 and 205. The sample mean is 203.5 with standard deviation of 4.09 grams. a) Use SPSS to create a 95% confidence interval for the true mean weight of all Aldi CANDYLAND chocolate coated peanuts. b) Explain in context what the interval means. c) Use SPSS to carry out a hypothesis test to see if there is evidence that the mean weight of bags is significantly different to the 200 grams on the label. Use a significance level of 5% and conclude in plain language. Q3.3 Aldi CANDYLAND bags of chocolate coated peanuts advertise they contain 200 grams. You purchase 10 bags and carefully weigh the contents and record the following weights (in grams): 201, 198, 206, 203, 197, 204, 203, 210, 208 and 205. The sample mean is 203.5 with standard deviation of 4.09 grams. a) Use SPSS to create a 95% confidence interval for the true mean weight of all Aldi CANDYLAND chocolate coated peanuts. b) Explain in context what the interval means. c) Use SPSS to carry out a hypothesis test to see if there is evidence that the mean weight of bags is significantly different to the 200 grams on the label. Use a significance level of 5% and conclude in plain language.
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Making Hard Decisions with decision tools
ISBN: 978-0538797573
3rd edition
Authors: Robert Clemen, Terence Reilly
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