random sample of 280 flights from LGB to SFO using Option 1 and records their loading times. The sample mean is foun with a sample standard deviation of 4.3 minutes. They also select an independent random sample of 230 flights from LGB to SFO using C their loading times. The sample mean is found to be 18.3 minutes, with a sample standard deviation of 3.5 minutes. Since the sample siz assumed that the population standard deviation of the loading times using Option 1 and the loading times using Option 2 can be estimate standard deviation values given above. At the 0.10 level of significance, is there sufficient evidence to support the claim that the mean Op , is less than the mean Option 2 loading time, μ₂, for the airline's flights from LGB to SFO? Perform a one-tailed test. Then complete the p Carry your intermediate computations to at least three decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis Ho and the alternative hypothesis H₁. H P Ho :D S ô H₁ :D (b) Determine the type of test statistic to use. (Choose one) ▼ (c) Find the value of the test statistic. (Round to three or more decimal places.) |x X 9 a 0/0 00 0=0 Oso 020 0#0 0<0 0>0
random sample of 280 flights from LGB to SFO using Option 1 and records their loading times. The sample mean is foun with a sample standard deviation of 4.3 minutes. They also select an independent random sample of 230 flights from LGB to SFO using C their loading times. The sample mean is found to be 18.3 minutes, with a sample standard deviation of 3.5 minutes. Since the sample siz assumed that the population standard deviation of the loading times using Option 1 and the loading times using Option 2 can be estimate standard deviation values given above. At the 0.10 level of significance, is there sufficient evidence to support the claim that the mean Op , is less than the mean Option 2 loading time, μ₂, for the airline's flights from LGB to SFO? Perform a one-tailed test. Then complete the p Carry your intermediate computations to at least three decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis Ho and the alternative hypothesis H₁. H P Ho :D S ô H₁ :D (b) Determine the type of test statistic to use. (Choose one) ▼ (c) Find the value of the test statistic. (Round to three or more decimal places.) |x X 9 a 0/0 00 0=0 Oso 020 0#0 0<0 0>0
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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