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- anonymous

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 velocity of the toy car. (4 points)
[Choose the value of correlation coefficient from −1, 1, −0.04, 0.99]
Part B: What is the value of the slope of the graph of velocity versus time between 10 minutes and 20 minutes, 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)

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- anonymous

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- anonymous

i have part C is 0 correlation but im stuck on part A and B

- anonymous

i need help on part B only

- anonymous

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- amistre64

what does the slope between 2 points represent? what are your thoughts?

- anonymous

time?

- amistre64

i was thinking more of an average of something ...

- anonymous

oh like 15?

- anonymous

sorry im really confused

- amistre64

the slope between 2 points provides us with an average rate of change.
in this case, its the average rate of change with respect to velocity

- anonymous

so it represent the velocity??

- amistre64

the rate of change in velocity is defined as acceleration.

- amistre64

m/s
---- = m/s^2
s

- amistre64

but that is a physics thing, not sure how it applies to statistics tho

- anonymous

so the answer would be the acceleration?

- amistre64

the average acceleration ... would be my best guess. if its correct or not i would not know.

- anonymous

thank you so much

- amistre64

good luck

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