# Refer to the accompanying data set and construct a 90% confidence interval estimate of the mean...

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Refer to the accompanying data set and construct a 90% confidence interval estimate of the mean pulse rate of adult females then do the same for adult males Compare the results Click the icon to view the pulse rates for adult females and adult males Construct a 90% confidence interval of the mean pulse rate for adult females Pulse Rates - X bpm bpm (Round to one decimal place as needed) Males 85 69 75 65 51 74 57 73 53 53 60 64 51 57 78 78 54 73 64 61 71 66 61 94 61 60 80 63 59 66 55 68 71 Females 79 83 95 79 61 72 66 74 58 88 84 87 80 90 87 91 85 92 54 96 35 65 87 85 80 77 76 76 67 57 69 100 78 75 59 76 66 74 Enter your answer in the edit fields and then click Check Answer 89 60 parts
7.2.23-T Question Help Listed below are student evaluation ratings of courses, where a rating of 5 is for "excellent." The ratings were obtained at one university in a state. Construct a confidence interval using a 90% confidence level. What does the confidence interval tell about the population of all college students in the state? 3.6, 2.8, 4.2, 4.8.3.2, 3.9.3.4, 4.8, 46, 4.4, 4.2, 4.1, 3.2, 3.8, 4.1 What is the confidence interval for the population mean u? <<(Round to two decimal places as needed.)
7.2.19-T Question Help A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 98% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna sushi? 0.53 0.76 0.11 0.93 1.28 0.54 0.86 What is the confidence interval estimate of the population mean u? ppm<< ppm (Round to three decimal places as needed.)
7.2.14 Question Help In a test of the effectiveness of garlic for lowering cholesterol, 44 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes (before-after) in their levels of LDL cholesterol (in mg/dL) have a mean of 5.7 and a standard deviation of 18.2. Construct a 90% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the confidence interval suggest about the effectiveness of garlic in reducing LDL cholesterol? Click here to view at distribution table Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table, What is the confidence interval estimate of the population mean? mg/dL<»< mg/dL (Round to two decimal places as needed.)
7.2.13-T Question Help A clinical trial was conducted to test the effectiveness of a drug for treating insomnia in older subjects. Before treatment, 18 subjects had a mean wake time of 104.0 min. After treatment, the 18 subjects had a mean wake time of 81.6 min and a standard deviation of 22.2 min. Assume that the 18 sample values appear to be from a normally distributed population and construct a 90% confidence interval estimate of the mean wake time for a population with drug treatments. What does the result suggest about the mean wake time of 104 0 min before the treatment? Does the drug appear to be effective? Construct the 90% confidence interval estimate of the mean wake time for a population with the treatment. min<<min (Round to one decimal place as needed)

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