Data Set 1 in Appendix B includes 40 pulse rates of men, and those pulse rates have
Question:
Data Set 1 in Appendix B includes 40 pulse rates of men, and those pulse rates have a mean of 69.4 beats per minute and a standard deviation of 11.3 beats per minute. That data set also includes 40 pulse rates of women, and those pulse rates have a mean of 76.3 beats per minute and a standard deviation of 12.5 beats per minute.
a. Construct a 99% confidence interval estimate of the standard deviation of the pulse rates of men.
b. Construct a 99% confidence interval estimate of the standard deviation of the pulse rates of women.
c. Compare the variation of the pulse rates of men and women. Does there appear to be a difference?
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Data Set 1: Health Exam Results AGE is in years, HT is height (inches), WT is weight (pounds), WAIST is circumference (cm), Pulse is pulse rate (beats per minute), SYS is sys- tolic blood pressure (mm Hg), DIAS is diastolic blood pressure (mm Hg), CHOL is cholesterol (mg), BMI is body mass index, Leg is upper leg length (cm), Elbow is elbow breadth (cm), Wrist is wrist breadth (cm), and Arm is arm circumfer- ence (cm). Data are from the U.S. Department of Health and Human Services, National Center for Health Statistics, Third National Health and Nutrition Examination Survey. 58 70.8 169.1 90.6 68 125 22 66.2 144.2 78.1 64 32 71.7 179.3 96.5 88 126 31 68.7 175.8 87.7 72 110 28 67.6 152.6 87.1 64 110 72 107 Male Age HT WT Waist Pulse SYS DIAS CHOL 46 69.2 166.8 92.4 41 66.5 135.0 78.8 60 56 67.2 201.5 103.3 20 68.3 175.2 89.1 54 65.6 139.0 82.5 60 96 17 63.0 156.3 86.7 73 68.3 186.6 103.3 72 52 73.1 191.1 91.8 56 25 67.6 151.3 75.6 64 119 29 68.0 209.4 105.5 60 113 17 71.0 237.1 108.7 41 61.3 176.7 104.0 84 131 32 66.3 166.1 20 20 28 7 40 325 3376442184 20 37 52 76.2 220.6 103.0 76 121 33 73.0 26 68.0 53 68.7 63.7 119.5 71.1 189.1 65.6 164.7 91.3 69.7 137.4 75.2 88 112 65.4 164.2 29 70.0 162.4 18 62.9 151.8 26 68.5 144.1 33 68.3 204.6 103.8 60 110 55 69.4 193.8 103.0 68 125 82 53 69.2 172.9 97.1 28 68.0 161.9 86.9 60 124 60 56 109 71.9 66.1 174.8 88.0 169.8 91.5 84 72.4 213.3 102.9 72 127 198.0 93.1 84 132 98.9 88 116 173.3 214.5 107.5 56 125 36 70.3 137.1 81.6 75.7 95.0 91.1 94.9 79.9 68.3 170.1 107 113 88 126 76 137 110 66.3 151.0 109 153 64 125 87.7 77.0 56 85.0 68 79.6 112 84 132 64 56 72 121 116 95 64 110 131 112 112 125 56 120 60 118 64 115 784剖686517285765幻78275 80 584 654 58 70 668279 89479724547756875 65 72 115 83 75 STATDISK: Minitab: Excel: males is MHEALTH.XLS. TI-83/84 Plus: App name for male data is MHEALTH and the file names are the same as for text files. MAGE, MHT, MWT, MWAST, MPULS, MSYS, MDIAS, MCHOL, MBMI, MLEG, MELBW, MWRST, MARM. Text file names for males: 522 127 740 BMI 23.8 42.5 7.7 23.2 40.2 7.6 24.6 44.4 7.3 7.5 26.2 42.8 23.5 40.0 24.5 47.3 7.1 7.1 21.5 43.4 6.5 7.5 121 31.4 40.1 26.4 42.1 22.7 36.0 7.5 6.9 578 78 7.1 8.1 265 250 265 27.8 44.2 28.1 36.7 25.2 48.4 23.3 41.0 8.0 7.0 273 31.9 39.8 6.9 33.1 45.2 8.3 272 972 33.2 40.2 6.7 75 26.7 46.2 7.9 26.6 39.0 7.5 19.9 44.8 27.1 6.9 49 230 316 590 466 81 138 44 139 638 613 762 303 690 31 189 957 339 5.7 5.6 5.6 5.2 5.8 5.7 6.1 6.0 5.9 31.9 32.9 6.1 34.0 5.7 23.8 44.2 7.8 6.0 30.9 27.4 41.8 7.0 120 28.7 47.2 7.5 26.2 48.2 7.8 6.0 26.4 42.9 6.7 5.8 5.9 34.8 33.6 31.3 37.6 8.2 7.1 27.9 6.6 5.3 26.9 7.4 6.0 7.0 6.1 5.8 5.4 Leg Elbow Wrist Arm 6.4 31.9 6.2 31.0 5.8 32.7 33.4 30.1 30.5 27.6 416 Data set name for males is Mhealth. Worksheet name for males is MHEALTH.MTW. Workbook name for 40.9 7.0 43.1 7.5 38.0 7.4 6.8 30.9 46.0 7.4 28.3 41.4 7.2 25.5 42.7 6.6 24.6 40.5 7.3 23.4 27.0 21.6 41.0 702 81 1252 288 176 277 32.1 42.8 19.6 40.8 20.7 42.6 83 649 26.3 44.9 113 26.9 41.1 656 25.6 172 24.2 60 00 44.5 7.3 44.0 7.1 5.9 6.0 5.8 5.2 5.6 38.0 5.5 5.5 5.3 6.7 5.2 32.0 29.3 31.7 30.7 34.7 5.7 30.6 6.0 34.2 6.6 41.1 5.7 33.1 6.0 32.2 5.9 5.3 31.2 25.9 33.7 30.3 32.8 31.0 36.2 33.6 36.9 34.5 32.1 30.7 STATDISK: Minitab: Excel: TI-83/84 Plus: Text file names for females: 32 119 19 23 40 Data set name for females is Fhealth. Worksheet name for females is FHEALTH.MTW. Workbook name for females is FHEALTH.XLS. App name for female data is FHEALTH and the file names are the same as for text files. Female Age HT WT Waist Pulse SYS DIAS 76 104 72 99 17 64.3 114.8 67.2 32 66.4 149.3 82.5 25 62.3 107.8 66.7 55 62.3 160.1 93.0 88 27 59.6 127.1 82.6 29 63.6 123.1 75.4 25 59.8 73.6 12 63.3 81.4 41 67.9 61.4 31 66.7 27 45 FAGE, FHT, FWT, FWAST, FPULS, FSYS, FDIAS, FCHOL, FBMI, FLEG, FELBW, FWRST, FARM. 111.7 156.3 218.8 99.4 110.2 67.7 188.3 100.7 72.9 105.4 136.1 85.0 68 85.7 72 126.0 96 74.5 74.5 68 72 64.8 63.1 66.7 182.4 66.8 238.4 23 64.7 108.8 65.1 119.0 61.9 161.9 94,0 41 64.3 174.1 92.8 181.2 105.5 56 63.4 22 60.7 124.3 75.5 57 63.4 255.9 126.5 24 62.6 106.7 70.0 37 60.6 149.9 98.0 59 63.5 163.1 104.7 40 58.6 94.3 67.8 45 60.2 159.7 99.3 52 67.6 162.8 91.1 31 63.4 130.0 74.5 60 72 94 68 101 80 108 64 104 37 18 29 68.0 135.5 75.9 48 67.0 130.4 68.6 16 57.0 100.7 68.7 68 68 102 114 123 93 72 98 80 104 88 60 64 80 64 80 155 76 106 110 76 76 105 118 72 72 107 116 80 89 56 76 112 62 107 48 8 116 62 112 181 102 462 61 62 100 53 98 127 74 447 67 125 71 318 64 325 85 600 59 237 173 97 32 64.1 179.9 95.5 76 79.5 23 62.7 147.8 23 61.3 112.9 69.1 47 58.2 195.6 105.5 88 36 63.2 124.2 78.8 80 34 60.5 135.0 85.7 60 65.0 141.4 92.8 72 124 61.8 123.9 72.7 88 92 119 88 124 93 64 106 61 64 65 76 113 113 58 66 61 41 72 61 70 69 82 133 83 75 66 67 59 72 79 CHOL BMI Leg Elbow 264 19.6 6.0 41.6 23.8 42.8 181 6.7 ! 75 万 85 46 88 267 384 98 62 126 89 531 81 64 64 130 107 95 108 223 293 114 104 73 146 125 73 149 175 44 309 94 280 254 123 19.6 39.0 5.7 29.1 40.2 6.2 25.2 36.2 5.5 6.0 21.4 43.2 22.0 38.7 5.7 27.5 41.0 33.5 43.8 20.6 37.3 6.8 7.8 6.3 29.9 42.3 6.6 5.7 6.6 17.7 39.1 24.0 40.3 28.9 48.6 37.7 33.2 18.3 43.4 6.2 44.9 41.0 19.2 38.1 28.7 38.0 28.5 36.0 19.3 32.1 31.0 31.1 29.7 38.2 6.8 31.7 38.2 6.9 23.8 38.2 5.9 7.2 5.6 7.0 5.4 5.2 19.8 41.5 6.3 5.3 29.8 40.0 6.8 8.0 6.1 Wrist Arm 4.6 23.6 5.5 26.3 4.6 5.0 4.8 4.9 5.1 7.0 6.7 5.4 6.4 25.1 39.4 7.1 22.8 40.2 5.9 5.5 5.8 5.0 596 30.9 39.2 6.2 301 26.5 39.0 6.3 21.2 36.6 5.9 40.6 27.0 7.5 21.9 38.5 5.6 26.0 39.9 6.4 149 23.5 37.5 6.1 920 22.8 39.7 5.8 271 20.7 39.0 6.3 207 20.5 41.6 6.0 2 21.9 33.8 5.6 5.2 4.8 5.1 5.0 4.7 5.4 5.0 26.3 32.6 29.2 26.4 27.9 33.0 572 38.6 26.5 4.9 5.3 4.6 34.4 23.7 28.4 34.0 35.2 24.7 5.6 5.0 5.1 34.3 5.1 34.4 4.2 5.2 5.3 5.1 27.0 35.0 33.1 39.6 27.0 43.8 23.6 23.3 35.6 5.0 4.9 4.7 5.5 4.7 5.2 4.8 5.0 26.5 31.8 27.0 32.8 31.0 27.0 41.2 25.5 30.9 27.9 27.8 23.0 26.4
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