I need help with stats/ Please help with TI-84 commands (section 7.2 and 7.3) A car company says that the mean gas mileage for its luxury sedan is at least 21 miles per gallon (mpg). You believe the claim is incorrect and find that a random sample of 6 cars has a mean gas mileage of 18 mpg and a standard deviation of 3 mpg. At α=0.10, test the company's claim. Assume the population is normally distributed. What is the critical value? The critical value is ____________ . (round to 3 decimal places as needed) (1) ____________ Ho. AT the 10% significance level, there is (2) ____________ evidence to (3) ___________ the car company's claim that the mean gas mileage for the luxury sedan is at least 21 miles per gallon. (1) reject or fail to reject (2) insufficient or sufficient (3) support or reject
I need help with stats/ Please help with TI-84 commands (section 7.2 and 7.3)
A car company says that the mean gas mileage for its luxury sedan is at least
miles per gallon (mpg). You believe the claim is incorrect and find that a random sample of
cars has a mean gas mileage of
mpg and a standard deviation of
mpg. At
test the company's claim. Assume the population is
What is the critical value?
The critical value is ____________ . (round to 3 decimal places as needed)
(1) ____________ Ho. AT the 10% significance level, there is (2) ____________ evidence to (3) ___________ the car company's claim that the mean gas mileage for the luxury sedan is at least 21 miles per gallon.
(1) reject or fail to reject (2) insufficient or sufficient (3) support or reject
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