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anonymous
 one year ago
Please HELP!!! Algebra!
anonymous
 one year ago
Please HELP!!! Algebra!

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The table below shows the distance y, in miles, traveled by a toy car in x minutes: Time (x) (minutes) 20 30 40 50 Distance (y) (miles) 5 10 15 20 Part A: What is the most likely value of the correlation coefficient of the data in the table? Based on the correlation coefficient, describe the relationship between time and distance traveled by the toy car. (4 points) [Choose the value of correlation coefficient from 1, 0.8, 0.5, 0.02] Part B: What is the value of the slope of the graph of distance versus time, and what does the slope represent? (3 points) Part C: Does the data in the table represent correlation or causation? Explain your answer. (3 points)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@ganeshie8 @EclipsedStar @welshfella @LynFran @mathstudent55 @dan815

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@ganeshie8 @geny55 @dan815 @Michele_Laino @jim_thompson5910

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1well I think you need to plot the points as a 1st step

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1that way you can see the type and strength of the correlation

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I have this so far: Part A: The most likely value of the correlation coefficient of the data in the table is 1. Based on the correlation coefficient, the relationship between time and distance traveled by the toy car is highly correlated, the higher the xvalue, the higher the yvalue and vice versa.

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1so part B is asking you to find the slope... pick 2 points and just find the slope...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ok, how about 20, 5 and 30, 10.

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1but I think part A should use a plot.... makes things easier to interpret

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1sure... they work... so what's the slope

anonymous
 one year ago
Best ResponseYou've already chosen the best response.010  5 5 1  =  or  30  20 10 2

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1oops so the slope seems ok...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0LOL, okay, I'm not sure what the slope represents, though.

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1the slope is the average rate of change in the data... in this question its the average speed of the car in miles per minute

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ok, so, what about Part C. Isn't it BOTH correlation and causation?

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1well causation is when the change in 1 variable cause the change in the other... so does the change in time cause the change is distance travelled..? here is a simple explanation http://www.abs.gov.au/websitedbs/a3121120.nsf/home/statistical+language++correlation+and+causation

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0As far as I can tell, yes, there is definitely correlation.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay, here's what I have: art A: What is the most likely value of the correlation coefficient of the data in the table? Based on the correlation coefficient, describe the relationship between time and distance traveled by the toy car. (4 points) [Choose the value of correlation coefficient from 1, 0.8, 0.5, 0.02] Part B: What is the value of the slope of the graph of distance versus time, and what does the slope represent? (3 points) Part C: Does the data in the table represent correlation or causation? Explain your answer. (3 points)

campbell_st
 one year ago
Best ResponseYou've already chosen the best response.1I'd agree that there is correlation... you need to decide if there is causation.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Part A: The most likely value of the correlation coefficient of the data in the table is 1. Based on the correlation coefficient, the relationship between time and distance traveled by the toy car is highly correlated, the higher the xvalue, the higher the yvalue and vice versa. Part B: The slope of the graph of distance versus time is 1/2, this represents the average speed of the car in miles per minute. Part C: The data in the graph represents ONLY correlation but, NOT causation, the longer the time, the more the toy car travels. If one of the inputs was changed, let's say, x, then the output (y) would change, establishing correlation. Time does not cause the toy car to go further, it is speed, thus, there is no causation.
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