A. The ages (in years) of 10 men and their systolic blood pressures (in millimeters of mercury) are shown in the data table below Systolic blood Age pressure 16 109 256 11,881 1,744 24 122 576 14,884 2,928 37 143 1,369 20,449 5,291 44 130 1,936 16,900 5,720 49 200 2,401 40,000 9,800 4,225 34,225 12,025 4,761 39,601 13,731 65 185 69 199 31 131 961 SAY 17,161 4,061 3,364 30,625 10,150 13,689 2,574 58 175 01 22 117 484 415 1,511 20,333 239,415 1. Complete the table 2. Use the table in 1) to find the coefficient of correlation between the variables age of men (X) and their systolic blood pressure (Y). 3. Find the coefficient of determination. r2 = (10(68024) -(415*1511))2 (10*20333-415squared) (10*239415-1511squared) = 0.818744 4. Interpret the coefficient of determination. R2 is 81.874% of systolic bp is justified by age. 5. Find the coefficient of alienation. =1-r2 =1-0.818744 =0.181256 6. Interpret the coefficient of alienation. =0.181256% of the systolic bp is not justified by age

A. The ages (in years) of 10 men and their systolic blood pressures (in millimeters of mercury) are shown in the data table below Systolic blood Age pressure 16 109 256 11,881 1,744 24 122 576 14,884 2,928 37 143 1,369 20,449 5,291 44 130 1,936 16,900 5,720 49 200 2,401 40,000 9,800 4,225 34,225 12,025 4,761 39,601 13,731 65 185 69 199 31 131 961 SAY 17,161 4,061 3,364 30,625 10,150 13,689 2,574 58 175 01 22 117 484 415 1,511 20,333 239,415 1. Complete the table 2. Use the table in 1) to find the coefficient of correlation between the variables age of men (X) and their systolic blood pressure (Y). 3. Find the coefficient of determination. r2 = (10(68024) -(4151511))2 (1020333-415squared) (10*239415-1511squared) = 0.818744 4. Interpret the coefficient of determination. R2 is 81.874% of systolic bp is justified by age. 5. Find the coefficient of alienation. =1-r2 =1-0.818744 =0.181256 6. Interpret the coefficient of alienation. =0.181256% of the systolic bp is not justified by age

Name: Student Name:A. The ages (in years) of 10 men and their systolic bloo
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: Student Name:A. The ages (in years) of 10 men and their systolic blood pressures (in millimetersof mercury) are shown in the data table belowSystolic bloodAgepressure1610925611,881 1,74414,884 2,92824122576371431,369 20,449 5,291441301,936 16,900 5,

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Listed below are the measured radiation absorption rates (in W/kg) corresponding to 11 cell phones. Use the given data to construct identify the 5-number summary.
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: Female: 81 57 61 80 71 91 63 61 85 77 88 64 59 53 86 54 96 60 82 67 70 85 81 91 84 78 86 69 65 79 Find the means. The mean for males is beats per minute and the mean for females is (Type integers or decimals rounded to one decimal place as needed.) beats per minute.
70 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 5 0.0714 5 1 11 0.1571 16 2 11 0.1571 27 3 7 0.1 34 4 7 0.1 41 5 7 0.1 48 6 8 0.1143 7 70 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week? %
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 10 0.0909 10 1 20 0.1818 30 2 9 0.0818 39 3 11 0.1 50 4 13 0.1181 63 5 21 0.1909 84 6 11 0.1 95 7 15 0.1364 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 3 times per week? %
Consider the following partially filled frequency table: Value Frequency 0.5 1.0 2.9 Calculate the mean (to 2 d.p.). Cumulative Relative Frequency Frequency 0.2 39 100
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 14 0.1273 14 1 15 0.1364 29 2 9 38 3 14 0.1273 4 11 0.1 63 5 17 0.1545 80 6 0.1091 92 7 18 0.1636 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 6 times per week? %
From the data given below, calculate the gross and net reproduction rates : Age Group Female Population (in thousands) Female Live-births Survival Factor 15-19 1,399 15,133 0.9694 20-24 1,422 94,155 0.9663 25-29 1,521 102,676 0.9632 30-34 1,756 72,490 0.9584 35-39 1,451 31,402 0.9519 40-44 1,689 10,640 0.9424 45-49 1,667 700 0.9279
130 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0.1077 14 13 0.1 27 13 40 3 15 0.1154 55 4 19 0.1462 74 5. 21 0.1615 6. 13 0.1 108 22 0.1692 130 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week? Submit Question
From September 1980 to August 1982, 50 premature infants were admitted to the Neonatal ICU of Lungsod ng Kabataan Children’s Hospital due to severe hyaline membrane disease. Data on the weights of these infants are shown below. Table X. Weights of Premature Infants with Severe Hyaline Membrane Disease Treated with Assisted Ventilation Weights in Grams Number of Patients 800-1000 1001-1200 1201-1400 1401-1600 1601-1800 1801-2000 2001-2200 2201-2400 3 4 6 5 5 8 9 10 Total 50 Find the following: Final Answer Interpretation Computation Mean Median Mode Range SD D6 P40 Q3
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 14 0.1273 14 1 14 0.1273 28 2 10 0.0909 38 3 58 4 11 0.1 69 5 7 0.0636 76 6. 17 0.1545 7 17 0.1545 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 7 times per week? Hint: Frequency Tables
The National Hurricane Center provides data that list the number of large (category 3, 4, or 5) hurricanes that have struck the United States, by decade, from 1851-2020. Is there sufficient evidence that the number of large hurricanes have remained constant (per decade)? What are the degrees of freedom? Decade Count Decade Count 1851-1860 6 1941-1950 10 1861-1870 1 1951-1960 8 1871-1880 7 1961-1970 6 1881-1890 5 1971-1980 4 1891-1900 8 1981-1990 5 1901-1910 4 1991-2000 5 1911-1920 7 2001-2010 8 1921-1930 5 2011-2020 10 1931-1940 8 Chi-squared test for given probabilitiesdata: stormsX-squared = 13.589, df = 16, p-value = 0.6293 A. 107 B. 17 C. 13.589 D. 16
The age of a tree can be determined by counting each annual growth ring in the trunk of the tree. A common measure of the size of a tree is the "diameter at breast height" DBH. "Breast height" is defined as 4 ½ feet above the uphill side of the tree. Consider the following data on 12 northern red oaks from southwestern Wisconsin: 11 15 28 1.5 1.0 6.0 45 12 52 16.5 11.0 | 10.5 9.0 Age(years) | 97 93 88 81 75 57 1.0 DBH(inch) | 12.5 12.5 8.0 9.5 d) What is the range of validity of this model?