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Mathematics 19 Online
OpenStudy (anonymous):

help! question below in comments please check my work.... will MEDAL please help

OpenStudy (anonymous):

The table below shows the velocity y, in miles per minute, of a toy car at different times x, in minutes: Time (x) (minutes) 10 20 30 40 Velocity (y) (miles) 0.2 0.8 0.1 0.4 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. [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? Part C: Does the data in the table represent correlation or causation? Explain your answer

OpenStudy (anonymous):

@johnweldon1993 can you help me

OpenStudy (anonymous):

anyone can you please help me

OpenStudy (anonymous):

so far I have for A is -.04

OpenStudy (anonymous):

What is the most likely value of the correlation coefficient of the data in the table? is -.04 Based on the correlation coefficient, describe the relationship between time and velocity of the toy car. [Choose the value of correlation coefficient from −1, 1, −0.04, 0.99] Because it is a negative correlation cofficient it will show a negative slope on grawhich means as time increases the velocity will generally decrease

OpenStudy (anonymous):

****negative slope on the graph which

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