**Calculating the Coefficient of Determination**Complete the following worksheet and then use it to calculate the coefficient of determination.| i | \( x_i \) | \( y_i \) | \( \hat{y} \) | \( (\hat{y} - \bar{y})^2 \) | \( (y_i - \bar{y})^2 \) ||----|-----------|-----------|--------------|-----------------------------|-------------------------|| 1 | 50 | 20 | 19.369 | 8.618 | 12.721 || 2 | 50 | 21 | 19.369 | 8.618 | 20.854 || 3 | 55 | 19 | 18.409 | 3.903 | 6.588 || 4 | 55 | 19.5 | 18.409 | 3.903 | 9.404 || 5 | 60 | 20.5 | 17.449 | 1.032 | 16.538 || 6 | 60 | 19 | 17.449 | 1.032 | 6.588 || 7 | 65 | 16.5 | 16.489 | 0.003 | 0.004 || 8 | 65 | 15 | 16.489 | 0.003 | 2.054 || 9 | 70 | 14 | 15.529 | 0.818 | 5.921 || 10 | 70 | 15.5 | 15.529 | 0.818 | 0.871 || 11 | 80 | 13 | 13.609 | 7.977 | 11.788 || 12 | 80 | 14 | 13.609 | 7.977 | 5.921 || 13 | 90 | 11.5 | 11.689 | 22.509 |

ixiyi1502019.3698.61812.7212502119.3698.61820.8543551918.4093.9036.58845519.518.4093.9039.40456020.5…

Answered: Complete the following worksheet and…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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#6
If SSR = 48 and SSE = 12, determine SST, then compute the coefficient of determination, 2, and interpret its meaning. SST = 2= (Type an integer or a decimal. Do not round.) Interpret the meaning of r². Choose the correct answer below. A. It means that 2². 100% of the variation in the dependent variable can be explained by the variation in the independent variable. B. It means that (1-2). 100% of the variation in the independent variable cannot be explained by the variation in the dependent variable. C. It means that of the variation in the independent variable can be explained by the variation in the dependent variable. OD. It means that 1-2 of the variation in the dependent variable cannot be explained by the variation in the independent variable.
3. 128R LA= SA =
3) You measure the length of 5 radish seedlings at 7 days and 10 days and get the following results in mm (do NOT use R except for part (d)): seedling #: 1 2 3 4 S 5 days: 30 20 38 49 32 33.8 10.686 7 days: 35 27 46 58 34 40 12.145 difference: -5 -7 -8 -9 -2 -6.2 2.775 (a) Is there a difference in length? (Note: this should be one-sided. Why??) (b) Repeat (a), but now use a regular (unpaired) t-test. (c) What happened in (b)? (d) Verify the normal distribution assumption for the paired t-test you did in (a). (You may use R for this part).
The following is a list of 14 measurements. -1, -38, -59, -12, −5, −77, −42, −50, −68, −62, −82, −9, −80, 42 Send data to calculator Suppose that these 14 measurements are respectively labeled x₁, x2, X₁4. (Thus, −1 is labeled x₁, -38 is labeled .x₂, and so on.) Compute the following. 14 Σ (*; -48) i=1 0 X
1. 2. 0.6 0.8 1.0 3. 0.2 0.4 0.0 (2) = -0.86 1. (2) = 0.13 2. To see the relationship between the dexp, pexp, qexp, and rexp, please fill in the blanks. The options for each blank are dexp, pexp, qexp, rexp. Hint: Use R to confirm you get the intended answer. Note: Values in the right hand side of the equation in questions 1, 2, and 3 are round off values (0.86) 2 (2) = 0.86 0 2 4 6 8 10 12 3. (2) = 0.13 X (0.86) = 2
7.8km 16km SA=
4.2
Find the LU factorization of and use it to solve the system A = -4 16 10 -2 -2 2 -2 2 -3 6 -9 -5 -7 X2 10-0 -4 -7 -10 -22 2 6 -9 -5 -7 -4 16 1 -4 10 -7 -10 -22 A = LU 4 = -13 32 -14
0.6x0.8
8 9. 10 Help? Read It 2/9 3/4
1. Use the place value chart and arrows to show how the value of each digit changes. The first one has been done for you. a. 4.582 x 10 = 45.82 4 8 4 8. b. 7.281 x 100 = 2.81 %3D 9.254 x 1,000 = C. 216 21 d. Explain how and why the value of the 2 changed'in (a), (b), and (c). 2. 00

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