MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
State the conclusion. Do not reject Ho. There is insufficient evidence to conclude that the mean difference is not equal to 5.5 inches. b. Construct a 90% confidence interval estimate of the population mean amount of tea per bag. Interpret this interval. The 90% confidence interval is ≤μ≤ (Round to four decimal places as needed.) Interpret the 90% confidence interval. Choose the correct answer below. O A. Reject Ho because the hypothesized mean is not contained within the confidence interval. B. Reject Ho because the hypothesized mean is contained within the confidence interval. C. Do not reject Ho because the hypothesized mean is contained within the confidence interval. D. Do not reject Ho because the hypothesized mean is not contained within the confidence interval. c. Compare the conclusions reached in (a) and (b). Choose the correct answer below. A. The confidence interval and hypothesis test both show that there is insufficient evidence that the mean amount of tea per bag is different from 5.5 grams. B. The confidence interval shows insufficient evidence while the hypothesis test shows sufficient evidence that the mean amount of tea per bag is different from 5.5 grams. C. The confidence interval and hypothesis test both show that there is sufficient evidence that the mean amount of tea per bag is different from 5.5 grams. D. The confidence interval shows sufficient evidence while the hypothesis test shows insufficient evidence that the mean amount of tea per bag is different from 5.5 grams.
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Transcribed Image Text:State the conclusion. Do not reject Ho. There is insufficient evidence to conclude that the mean difference is not equal to 5.5 inches. b. Construct a 90% confidence interval estimate of the population mean amount of tea per bag. Interpret this interval. The 90% confidence interval is ≤μ≤ (Round to four decimal places as needed.) Interpret the 90% confidence interval. Choose the correct answer below. O A. Reject Ho because the hypothesized mean is not contained within the confidence interval. B. Reject Ho because the hypothesized mean is contained within the confidence interval. C. Do not reject Ho because the hypothesized mean is contained within the confidence interval. D. Do not reject Ho because the hypothesized mean is not contained within the confidence interval. c. Compare the conclusions reached in (a) and (b). Choose the correct answer below. A. The confidence interval and hypothesis test both show that there is insufficient evidence that the mean amount of tea per bag is different from 5.5 grams. B. The confidence interval shows insufficient evidence while the hypothesis test shows sufficient evidence that the mean amount of tea per bag is different from 5.5 grams. C. The confidence interval and hypothesis test both show that there is sufficient evidence that the mean amount of tea per bag is different from 5.5 grams. D. The confidence interval shows sufficient evidence while the hypothesis test shows insufficient evidence that the mean amount of tea per bag is different from 5.5 grams.
The accompanying table contains data on the weight, in grams, of a sample of 50 tea bags produced during an eight-hour shift. Complete parts (a) through (d). Click the icon to view the data table. (Round to two decimal places as needed.) Find the p-value. p-value = .819 (F State the conclusi Do not reject H b. Construct a 90 The 90% confider (Round to four de Interpret the 90% More Info Tea Bag Weight (in grams) 5.65 5.45 5.42 5.41 5.53 5.34 5.54 5.46 5.53 5.59 5.42 5.51 5.55 5.54 5.61 5.56 5.47 5.44 5.49 5.39 5.46 5.63 5.53 5.32 5.68 5.29 5.49 5.76 5.56 5.41 5.57 5.59 5.52 5.33 5.49 5.54 5.61 5.44 5.45 5.24 5.56 5.63 5.49 5.58 5.68 5.43 5.49 5.57 5.58 5.35 I X
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Transcribed Image Text:The accompanying table contains data on the weight, in grams, of a sample of 50 tea bags produced during an eight-hour shift. Complete parts (a) through (d). Click the icon to view the data table. (Round to two decimal places as needed.) Find the p-value. p-value = .819 (F State the conclusi Do not reject H b. Construct a 90 The 90% confider (Round to four de Interpret the 90% More Info Tea Bag Weight (in grams) 5.65 5.45 5.42 5.41 5.53 5.34 5.54 5.46 5.53 5.59 5.42 5.51 5.55 5.54 5.61 5.56 5.47 5.44 5.49 5.39 5.46 5.63 5.53 5.32 5.68 5.29 5.49 5.76 5.56 5.41 5.57 5.59 5.52 5.33 5.49 5.54 5.61 5.44 5.45 5.24 5.56 5.63 5.49 5.58 5.68 5.43 5.49 5.57 5.58 5.35 I X
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Step 1: State the hypotheses and determine the conclusion.
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Step 2: Obtain the 90% confidence interval estimate of the population mean amount of tea per bag.
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Step 3: calculate the confidence interval.
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Step 4: Compare the conclusions obtained from part(a) and part(b).
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