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17. Blood Pressure A sample of blood pressure measurements is taken from Data Set 1 "Body Data" in Appendix B, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have systolic and diastolic measurements. (Systolic is a mea- sure of the force of blood being pushed through arteries, but diastolic is a measure of blood pressure when the heart is at rest between beats.) Are the measures of center the best statistics to use with these data? What else might be better? Systolic: Diastolic: 118 80 128 158 96 76 74 52 156 122 90 88 116 58 136 126 64 72 120 82 18 White/Red Blood Gounts I isted below are white blood cell counts (1000 cells /I)

17. Blood Pressure A sample of blood pressure measurements is taken from Data Set 1 "Body Data" in Appendix B, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have systolic and diastolic measurements. (Systolic is a mea- sure of the force of blood being pushed through arteries, but diastolic is a measure of blood pressure when the heart is at rest between beats.) Are the measures of center the best statistics to use with these data? What else might be better? Systolic: Diastolic: 118 80 128 158 96 76 74 52 156 122 90 88 116 58 136 126 64 72 120 82 18 White/Red Blood Gounts I isted below are white blood cell counts (1000 cells /I)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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In Exercises 17-20, find the mean and median for each of the two samples, then compare the two sets of results. 17. Blood Pressure A sample of blood pressure measurements is taken from Data Set 1 "Body Data" in Appendix B, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have systolic and diastolic measurements. (Systolic is a mea- sure of the force of blood being pushed through arteries, but diastolic is a measure of blood pressure when the heart is at rest between beats.) Are the measures of center the best statistics to use with these data? What else might be better? Systolic: Diastolic: White: Red: 118 128 158 80 Male: 76 74 Female: 8.7 6.9 8.1 4.9 7.5 6.1 96 52 Single Line Individual Lines 156 90 18. White/Red Blood Counts Listed below are white blood cell counts (1000 cells/μL) and red blood cell counts (million cells/μL) from different subjects (from Data Set 1 "Body Data" in Appendix B). The values are matched so that each of the 12 subjects has a white blood cell count and a red blood cell count. Are the measures of center the best statistics to use with these data? What else might be better? 5.7 4.1 122 88 390 396 402 408 252 324 348 372 116 136 126 120 8.7 4.9 6.9 7.5 6.1 5.7 4.1 8.1 8.0 5.6 8.3 6.9 4.8 4.7 4.5 4.3 5.0 4.0 4.7 4.6 4.1 5.5 4.4 4.2 19. White Blood Counts Listed below are white blood cell counts (1000 cells/μL) from males and females (from Data Set 1 "Body Data" in Appendix B). Do they appear to be different? 58 64 402 72 426 438 8.0 6.9 8.1 6.4 6.3 10.9 4.8 5.9 7.2 5.6 8.3 5.1 9.5 6.1 5.7 5.4 82 20. Queues A Providence Hospital experiment involves two different waiting line configura- tions for patients arriving for admission. The waiting times (in seconds) are recorded with a single line configuration that feeds four stations and another configuration with individual lines at the four stations. Determine whether there is a difference between the two data sets that is not apparent from a comparison of the measures of center. If so, what is it? 444 462 462 462 462 462 510 558 600
Transcribed Image Text:In Exercises 17-20, find the mean and median for each of the two samples, then compare the two sets of results. 17. Blood Pressure A sample of blood pressure measurements is taken from Data Set 1 "Body Data" in Appendix B, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have systolic and diastolic measurements. (Systolic is a mea- sure of the force of blood being pushed through arteries, but diastolic is a measure of blood pressure when the heart is at rest between beats.) Are the measures of center the best statistics to use with these data? What else might be better? Systolic: Diastolic: White: Red: 118 128 158 80 Male: 76 74 Female: 8.7 6.9 8.1 4.9 7.5 6.1 96 52 Single Line Individual Lines 156 90 18. White/Red Blood Counts Listed below are white blood cell counts (1000 cells/μL) and red blood cell counts (million cells/μL) from different subjects (from Data Set 1 "Body Data" in Appendix B). The values are matched so that each of the 12 subjects has a white blood cell count and a red blood cell count. Are the measures of center the best statistics to use with these data? What else might be better? 5.7 4.1 122 88 390 396 402 408 252 324 348 372 116 136 126 120 8.7 4.9 6.9 7.5 6.1 5.7 4.1 8.1 8.0 5.6 8.3 6.9 4.8 4.7 4.5 4.3 5.0 4.0 4.7 4.6 4.1 5.5 4.4 4.2 19. White Blood Counts Listed below are white blood cell counts (1000 cells/μL) from males and females (from Data Set 1 "Body Data" in Appendix B). Do they appear to be different? 58 64 402 72 426 438 8.0 6.9 8.1 6.4 6.3 10.9 4.8 5.9 7.2 5.6 8.3 5.1 9.5 6.1 5.7 5.4 82 20. Queues A Providence Hospital experiment involves two different waiting line configura- tions for patients arriving for admission. The waiting times (in seconds) are recorded with a single line configuration that feeds four stations and another configuration with individual lines at the four stations. Determine whether there is a difference between the two data sets that is not apparent from a comparison of the measures of center. If so, what is it? 444 462 462 462 462 462 510 558 600
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