what is the only plausible value of correlation r based on the following scatterplot$1,000weekly rent Y$800$600$400$200$0O a. 35O b. -0.95O c. 0.2d. 0.99$0$500,000KE ATHouse price X$1,000,000

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Answered: what is the only plausible value of…

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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3. Examine the figure below and answer the following question. Variable A Figure 2.1 illustrates a correlation between variables A and B. O moderate positive O moderate negative O perfect positive O perfect negative Variable B ••••
Which of the following statements about correlation is true? Question content area bottom Part 1 Choose the correct answer below. A. We say that there is a positive correlation between x and y if there is no distinct pattern in the scatterplot. B. We say that there is a positive correlation between x and y if the x-values increase as the corresponding y-values decrease. C. We say that there is a positive correlation between x and y if the x-values increase as the corresponding y-values increase. D. We say that there is a negative correlation between x and y if the x-values increase as the corresponding y-values increase
Match each scatterplot shown below with one of the four specified correlations. O O O O O O 8 0% O O 00 00 O Do O O O 8 8 O O 00 o o O 00 a O O O a. 0.31 b. -0.26 c. 0.87 d. -0.82
Show your solution pls.
Match each scatterplot shown below with one of the four specified correlations. O O ∞oo O oooº 0000 8 9088 08 8 a. -0.89 b. -0.12 c. 0.55 d. 0.98
Match each correlation value with its interpretation A. large (strong) negative relationship B. small (weak) positive relationship C. large (strong) positive relationship select 1.r -0.8 select 2.r 0.1 select 3. r = 0.7 7,821 MAR 20 F3 F2 D00 F4 F5 F6 F7 $ % & 4 6 LA 00 %#3
A2. A study of test results at different schools shows that as the student-to-teacher ratio increases the average test result tends to decrease, although the relationship is quite weak. Which of the following is plausible value for the correlation between student-to- teacher ratio and average test results? A -0.9 B -0.3 C -0.01 D 0.3 E 0.9
The asking prices (in Rands) and the actual selling prices (in Rands), after bargaining, of 8 commodities are given below. Commodity A D E F G H Asking price, x 150 350 400 750 100 650 600 250 Selling price, y 120 200 400 550 80 450 350 200 Find the correlation coefficient for the above data. A. 0.8224 B. 0.3722 С. 0.9438 D. 0.5318 Activate
Part C ?
Which of the following is an example of positive correlation? O a. More football you play, less weight you will gain. O b. As weather gets hotter, the cost of air conditioning increases. O C. As a car tire has more air, the car may use less gas per mile. O d. The older man gets, he may have less hair.
What is a reason why correlation does not imply causation? O Because correlations are not based on data. O Because you do not know if X or Y occurred first. O There could be a third variable that explains both X and Y. O Both b and c
Milan.m.m

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what is the only plausible value of correlation r based on the following scatterplot $1,000 weekly rent Y $800 $600 $400 $200 $0 O a. 35 O b. -0.95 O c. 0.2 d. 0.99 $0 $500,000 KE AT House price X $1,000,000