Use the given information to find the number of degrees of freedom, the critical values χ2L and χ2R, and the confidence interval estimate of σ. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 90% confidence; n=30, s=0.24 mg. LOADING... Click the icon to view the table of Chi-Square critical values. Question content area bottom Part 1 df=enter your response here (Type a whole number.)
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- Use the given information to find the number of degrees of freedom, the critical values xí and x6, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Platelet Counts of Women 90% confidence; n = 25, s = 65.9. Click the icon to view the table of Chi-Square critical values. ..... df = 24 (Type a whole number.) %3D (Round to three decimal places as needed.)Find the critical value to for the confidence level c = 0.99 and sample size n = 25. tc= Click the icon to view the t-distribution table. (Round to the nearest thousandth as needed.) t-Distribution Table d.f. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Level of confidence, c One tail, a Two tails, a d.f. 1 0.80 0.90 0.95 0.98 0.99 0.10 0.05 0.025 0.01 0.005 0.20 0.10 0.05 0.02 0.01 3.078 6.314 12.706 31.821 63.657 1.886 2.920 4.303 6.965 9.925 2 1.638 2.353 3.182 4.541 5.841 3 1.533 2.132 2.776 3.747 4.604 4 1.476 2.015 2.571 3.365 4.032 5 1.440 1.943 2.447 3.143 3.707 6 1.415 1.895 2.365 2.998 3.499 7 1.397 1.860 2.306 2.896 3.355 8 1.383 1.833 2.262 2.821 3.250 9 1.372 1.812 2.228 2.764 3.169 10 1.363 1.796 2.201 2.718 3.106 11 1.356 1.782 2.179 2.681 3.055 12 1.350 1.771 2.160 2.650 3.012 13 1.345 1.761 2.145 2.624 2.977 14 1.341 1.753 2.131 2.602 2.947 15 1.337 1.746 2.120 2.583 2.921 16 1.333 1.740 2.110 2.567 2.898 17 1.330 1.734 2.101 2.552 2.878 18 1.328…Use the given information to find the number of degrees of freedom, the critical values χ2L and χ2R, and the confidence interval estimate of σ. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 98% confidence; n=23, s=0.28 mg. LOADING... Click the icon to view the table of Chi-Square critical values. Question content area bottom Part 1 df=enter your response here (Type a whole number.)
- Use the given information to find the number of degrees of freedom, the critical values y? and y?, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 99% confidence; n= 27, s= 0.29 mg. E Click the icon to view the table of Chi-Square critical values. df = 26 (Type a whole number.) x? = 11.160 (Round to three decimal places as needed.) y? = 48.29 (Round to three decimal places as needed.) The confidence interval estimate of o is 0.20 mgPulse Rates of Identical Twins A researcher wanted to compare the pulse rates of identical twins to see whether there was any difference. Twelve sets of twins were randomly selected. The rates are given in the table as number of beats per minute. Find the 90% confidence interval for the difference of the average pulse rates of twins. Assume the variables are normally distributed. Let μ be the average of twin A and μD = μμg. Round the answer to at least one decimal place. up Twin A Twin B 85 83 89 93 80 Send data to Excel 84Use the given information to find the number of degrees of freedom, the critical values xf and x, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 98% confidence; n= 26, s = 0.23 mg. Click the icon to view the table of Chi-Square critical values. df = (Type a whole number.) x = (Round to three decimal places as needed.) Xổ = (Round to three decimal places as needed.) The confidence interval estimate of o is mg(0 complete) HW Score: 0%, 0 6.2.3 Question Help Find the critical value t, for the confidence level c 0.90 and sample size n= 27. Click the icon to view the t-distribution table. t-Distribution Table t=(Round to the nearest thousandth as needed.) 1.533 2.132 2.776 3.747 4.604 4. 1.476 2.015 2.571 3.365 4.032 5n 6. 1.440 1.943 2.447 3.143 3.707 6. 1.415 1.895 2.365 2.998 3.499 7 8. 1.397 1.860 2.306 2.896 3.355 8. 9. 1.383 1.833 2.262 2.821 3.250 9. 10 1.372 1.812 2.228 2.764 3.169 10 11 1.363 1.796 2.201 2.718 3.106 11 12 1.356 1.782 1.771 2.179 2.681 3.055 12 13 1350 2.160 2.650 3.012 13 14 1.345 1.761 2.145 2.624 2.977 14 15 1.341 1.753 2.131 2.602 2.947 15 16 1.337 1.746 2.120 2.583 2.921 16 17 1.333 1.740 2.110 2.567 2.898 17 18 1.330 1.734 2.101 2.552 2.878 18 19 1.328 1.729 2.093 2.539 2.861 19 20 1.325 1.725 2.086 2.528 2.845 20 21 1.323 1.721 2.080 2.518 2.831 21 22 1.321 1.717 2.074 2.508 2.819 22 23 1.319 1.714 2.069 2.500 2.807 23 24 1.318 1.711 2.064 2.492 2.797 24 25…Use the given information to find the number of degrees of freedom, the critical values x and xá, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 95% confidence; n = 21, s = 0.25 mg. Click the icon to view the table of Chi-Square critical values. df = (Type a whole number.) X = (Round to three decimal places as needed.) XR = (Round to three decimal places as needed.) %3D The confidence interval estimate of o is mgUse the given information to find the number of degrees of freedom, the critical values x and x, and the confidence interval estimate of a. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 80% confidence; n=28, s=0.24 mg. Click the icon to view the table of Chi-Square critical values. df = 27 (Type a whole number.) x- Save (Round to three decimal places as needed.)Use the given information to find the number of degrees of freedom, the critical values y? and y?, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 95% confidence; n= 26, s= 0.27 mg. = Click the icon to view the table of Chi-Square critical values. df%3D (Type a whole number.)Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean for each of the samples below. Explain why these two samples produce different confidence intervals even though they have the same mean and range. Sample A: 1 2 4 4 5 5 7 8 Full data set Sample B: 1 2 3 4 5 6 7 8 Question content area bottom Part 1 Construct a 95% confidence interval for the population mean for sample A. enter your response here≤μ≤enter your response hereUse the given information to find the number of degrees of freedom, the critical values y? and y?, and the confidence interval estimate of o. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Platelet Counts of Women 90% confidence; n= 23, s = 65.4. Click the icon to view the table of Chi-Square critical values. df = (Type a whole number.)SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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