Find the coefficient of determination r2, given that the value of the linear correlation coefficient, r, is 0.611.
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Q: Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in…
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- Match the following scatterplots to their correct correlation coefficients (r). 1. r= -0.852. r= -0.403. r= 04. r= 0.505. r= 0.906. r= 0.99Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in kg) of the seals. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the critical values of r using α=0.01. Is there sufficient evidence to conclude that there is a linear correlation between overhead widths of seals from photographs and the weights of the seals? Overhead Width 7.1 7.5 9.6 9.3 8.7 8.2 Weight 115 193 237 196 198 186The following zero order correlation coefficients are given : r12 = 0.5 r13 = 0.6 r23 =.7 %3D Calculate the multiple correlation coefficients R1,23, R2.13 and R3.12
- Q3:Calculate the Pearson correlation coefficient between the student s weight and height Wight of student(x) 75 The tall(y) 175 72 170 69 172 66 165 63 163A past STAT 200 student tells you that there is a very strong positive linear association between the STAT 200 final exam score and the WeBWork Assignment total. What is a plausible value of the correlation coefficient (r)? OA. -1.1 OB. 0.95 OC. -0.95 OD. 0.01 OE. 1.1 OF. 0.56The data below comprises of the number of hours (X) studied and the exam grade (Y) obtained for 6 first year students registered at UWC. Calculate the correlation coefficient (rounded off to two decimals). X 2 5 1 2 3 3 Y (%) 60 85 73 80 90 87 SSxy = 42.33 SSx = 9.33 SSy = 618.83 = 2.6667 = 79.1667 b = 4.5357 A. 0.3102 B. 0.5570 C. -0.9865 D. 0.0073
- Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in kg) of the seals. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the critical values of r using α=0.01. Is there sufficient evidence to conclude that there is a linear correlation between overhead widths of seals from photographs and the weights of the seals? Overhead Width 7.1 7.6 9.7 9.4 8.8 8.2 Weight 111 198 246 204 202 185 Construct a scatterplot. Choose the correct graph below. (inserted as picture) The linear correlation coefficient is r=__________ (Round to three decimal places as needed.) The critical values are r= (_______,________) (Round to three decimal places as needed. Use a comma to separate answers as needed.) Because the absolute value of the linear correlation coefficient is (greater,less than, equal to) than the positive…A car salesperson wants to develop a method to predict the resale value of trucks based on the age of the truck. age of car Resale Value O 35000 1 32000 2 31250 3 29000 4 32350 S 25000 6 26000 7 23000 8 22000 9 19000 10 21500 11 20000 Use the data provided and excel to calculate the correlation coefficient. (Round your answer to 4 decimal places).The blood pressure measurements of a single patient were taken by twelve different medical students and the results are listed below. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P-value using a = 0.05. Is there sufficient evidence to conclude that there is a linear correlation between systolic measurements and diastolic measurements? systolic (x) diastolic (y) 137 133 139 119 122 121 127 132 130 143 141 137 95 93 100 80 88 80 82 84 81 98 103 94 С. Но: р#0 D. Ho: p=0 H1:p=0 H1:p#0 Construct a scatterplot. Choose the correct graph below. O A. ОВ. C. D. Ay 160- Ay 160- 160- 160- 120- 120- 120- 120- 80- 80- 80- 80- O. 40- 40- 40- 40- X X 0- 0- O 40 80 120 160 0- 0- 40 80 120 160 40 80 120 160 40 80 120 160 The linear correlation coefficient r is (Round to three decimal places as needed.) The P-value is (Round to three decimal places as needed.) Because the P-value is than the significance level 0.05, there sufficient evidence to support the…
- Use the given data set to complete parts (a) through (c) below. (Use a= 0.05.) 10 8 13 11 14 4 12 7.46 6.77 12.73 7.12 7.81 8.84 6.08 5.38 8.15 6.42 5.74 y Click here to view a table of critical values for the correlation coefficient. 4'8' 12 16 12 16 12 16 *48 12 16 b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. The linear correlation coefficient is r=. (Round to three decimal places as needed.)Annual high temperatures in a certain location have been tracked for several years. Let X epresent the year and Y he high temperature. Based on the data shown below, calculate the correlation coefficient (to three decimal places) between X nd Y. Use your calculator! x456789101112131415 y9.7577.6510.27.359.47.457.48.059.16.459.4 r=