LaTasha was presented with the following data set and argued that there was no correlation between x and y. Is LaTasha correct?
Use the regression equation to explain your reasoning.
2 answers:
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Answer:
D) 360
Step-by-step explanation:
The data Kyle collected is (0, 0), (1, 12), and (2, 24), where x represents days and y represents likes.
We can write a linear function to model this situation.
This will be of the form
because it passes through the origin , where m is the slope.
The slope is
Hence the equation is
To find the number of likes on the 30th day, we put x=30 into the equation to get:
The correct choice is D