Match each scatterplot to the statement that best describes it.12121010-2-2-10126.12(a)(b)12121010-8-210121012(c)(d)The relationship between x and y is approximately linear.The relationship between x and y is nonlinear.iii. There isn't much of any relationship between x and y.iv. The relationship between x and y is approximately linear, except for an outlier.i.ii.

a. Linear: The points seem to be following a line then it is called linear. From the scatterplot,…

Answered: Match each scatterplot to the statement…

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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Scottish Hill Climb races We want to predict the record time for men in a Scottish Hill Climb race. There are two x variables to choose from, Distance and Climb. Here is the information for the 3 dimensional relationship between x1, x2, and Y. Multiple Linear Relationship for the men: Coefficients for men: Term Coef SE Coef T-Value P-Value Constant -10.36 1.26 -8.23 0.000 Distance(km) 4.043 0.146 27.73 0.000 Climb (m) 0.03421 0.00220 15.57 0.000 Model Summary for men: R-sq R-sq(adj) R-sq(pred) 6.66081 98.01% 97.97% 97.77% We want to determine which of my x variables is the most important/most influential variable if our goal is to predict y in a multiple linear regression relationship. If the p-values are all the same, what is the next best measure to use to determine the most influential variable?
UPVOTE will be given! STATISTICS AND PROBABILITY MULTIPLE CHOICE Suppose that the table shows the COVID-19 cases and deaths in some NCR cities during the COVID-19 surge. COVID-19(x) 820 560 470 680 660 1100 COVID-19 (y) 8 6 2 4 5 15 I. What is the degree of linear relationship between COVID-19 cases and deaths? a. 0.437 b. 0.945 c. 0.893 d. 0.641 II. What is the coefficient of determination and its interpreatation? a. 95% of the total variability in COVID-19 cases could be accounted for by the linear relationship with COVID-19 deaths b. 89% of the total variability in COVID-19 deaths could be accounted for by the linear relationship with COVID-19 cases c. 95% of the total variability in COVID-19 deaths could be accounted for by the linear relationship with COVID-19 cases d. 89% of the total variability in COVID-19 cases could be accounted for by the linear relationship with COVID-19 deaths iii. How do you interpret the slope of the estimated simple linear regression model…
Complete parts (a) through (h) for the data below. X 2 3 4 6 7 y 3 6 10 15 18 (a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below. A. Ax 10- 20 y 20- Ay 10 10- (b) Find the equation of the line containing the points (2,3) and (7,18). y= ☐ X X+ (Type integers or simplified fractions.) X 20 -0 10 X
4. What is the equation of the line? 5. Predict the student's grade if his/her score in the employee's admission test is 68? Score in admission test (x) Grade (y) 80 52 61 79 95 86 79 90 45 75 82 58 60 80 45 70
3
Given are five observations for tvwo variables, z and y. 5 14 8 23 20 53 41 52 14 20 a. Choose the correct scatter diagram for these data: A. В. y 60 60 50 50 40 40 30 30- 20 20 10- 10 10 20 30 40 50 60 x 10 20 30 40 50 60 x C. D. 60 60 50 50 40 40- 30- 30
How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). x 3 6 12 20 26 y 60 95 140 160 189 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. (b) Would you say the correlation is low, moderate, or strong? low moderate strong Would you say the correlation is positive or negative? positive negative (c) Use a calculator to verify that x = 67, x2 = 1265, y = 644, y2 = 93,546, and xy = 10,544. Compute r. (Round your answer to three decimal places.) As x increases from 3 to 26 months, does the value of r imply that y should tend to increase or decrease? Explain your answer. Given our value of r, y should…
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d and e only
Answer letter a,b,c,d, and e on the second picture pls.
-2- -3- -8- 161 Which equation best represents the linear function shown on the graph? O y= -5x+ % O y= -5x +3 O y=%x+5 O y=%x+5 O v= %x-5 No ncw dat 6 La

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