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Any significant correlation

### Question Description

Any significant correlation will provide a better than chance prediction of *y* from *x*

*Is this true or false?*

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yes its true....

it's easy to do prediciton using it

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Multiple choice - A salesman enters a food-processing facility and claims that h

Multiple choice - A salesman enters a food-processing facility and claims that h

A salesman enters a food-processing facility and claims that his new
juice box filling machine can save the company money, because he is 95%
confident it has less variation from the nominal setting than the company's
current machine. A random sample of 25 juice boxes from the salesman's machine
yields a standard deviation of 0.09 ounce. A random sample of 16 juice boxes
from the company's current machine yields a standard deviation of 0.13 ounce.
What can we conclude?A
The salesman is correct. We can say
with 95% confidence that his machine has less variation from the nominal
setting than the company's current machine
B
The salesman may be correct. It is
not possible to prove he is correct, but indications are that his machine has
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C
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D
The salesman is incorrect. We cannot say with
95% confidence that the salesman's machine has less variation from the nominal
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