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marishachu [46]
3 years ago
5

An efficiency consultant determines that on the assembly line at Stihl Inc., there is a strong, negative, linear relationship be

tween x=the number of consecutive hours a worker has been assembling chainsaws and y=the number of chainsaws he can produce in an hour. He finds that 70%of the variation in chainsaws produced per hour can be explained by the regression of y on x. Which of the following is the best approximation of the correlation of x and y? A)-0.84, B) -0.7, C) -0.49, D) 0.49, E) 0.84
Mathematics
1 answer:
nikklg [1K]3 years ago
8 0

Answer:

The correct option is B.

Step-by-step explanation:

It is given that there is a strong, negative, linear relationship between x and y. where, x is the number of consecutive hours a worker has been assembling chainsaws and y is the number of chainsaws he can produce in an hour.

He finds that 70%of the variation in chainsaws produced per hour can be explained by the regression of y on x.

y=-\frac{70}{100}x

y=-0.7x

The slope is -0.7, therefore option B is correct.

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