DeltaSouthwestDeltaSouthwestDeltaSouthwestDeltaSouthwestDelta113491426616138801204936567131455833291191133139125741115767258211026141909426544911389133116914311551a. Formulate the hypotheses that can be used to test for a difference between the population mean minutes late for delayed flights by thesetwo airlines.μ₁ = population mean minutes late for delayed Delta flightsμ2 = population mean minutes late for delayed Southwest flightsHo 1-2Ha 1-2 *00b. What is the sample mean number of minutes late for delayed flights for each of these two airlines?Sample mean for Delta =Sample mean for Southwest =(rounded to 2 decimals)(rounded to 2 decimals)c. Using a 0.05 level of significance, what is the p-value and what is your conclusion?df(rounded down to nearest whole number)p-value =(rounded to 4 decimals)We cannotreject Ho.

Solution:- a.) b.)from given data":sample mean for Delta =65.20 sample mean for Southwest flights:…

Answered: Delta Southwest Delta Southwest Delta…

FINANCIAL ACCOUNTING

10th Edition

ISBN:9781259964947

Author:Libby

Publisher:Libby

Chapter1: Financial Statements And Business Decisions

Section: Chapter Questions

Problem 1Q

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Year INM +5 3 4 Returns 14% 28 9 10 Y 18% 29 10 -26 20 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. (Do not round intermediate calculations. Enter your average return and standard deviation answers as a percent rounded to 2 decimal places, e.g., 32.16, and round the variance answers to 5 decimal places, e.g., 16161.) Average returns Variances Standard deviations X 8.00 % 17.90 % Y 10,20 % 21.34 %
Question 8 X 35 36 37 38 39 Required Use the above data to find the variance and standard deviation Another Solution X 35 P(X) 0.1 0.2 0.3 0.3 0.1 36 37 38 39 P(X) 0.1 0.2 0.3 0.3 0.1 +
Returns Year X Y 12345 11% 18% 25 26 11 10 -18 10 -23 17 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. (Do not round intermediate calculations. Enter your average return and standard deviation answers as a percent rounded to 2 decimal places, e.g., 32.16, and round the variance answers to 5 decimal places, e.g., .16161.) X Y Average returns Variances 7.80 % 9.60% 0.01974 0.02947 Standard deviations 14.05 % 17.17%
Returns Year X Y 12345 11% 18% 25 26 11 10 -18 10 -23 17 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. (Do not round intermediate calculations. Enter your average return and standard deviation answers as a percent rounded to 2 decimal places, e.g., 32.16, and round the variance answers to 5 decimal places, e.g., .16161.) X Y Average returns % % Variances Standard deviations % %
Use the following returns for X and Y. Returns Year x y 1 21.8% 26.4% 2 -16.8 -3.8 3 9.8 28.4 4 19.6 -14.6 5 4.8 32.4 a. Calculate the average returns for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the variances for X and Y. (Do not round intermediate calculations and round your answers to 6 decimal places, e.g., 32.161616.) c. Calculate the standard deviations for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)
Explains it correctly not use excel
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Year 123 2 4 5 Returns X 17% 20 -7 11 10 Y 20% 32 Average returns Variances Standard deviations - 18 15 22 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. (Do not round intermediate calculations. Enter your average return and standard deviation answers as a percent rounded to 2 decimal places, e.g., 32.16. Enter your variance answers rounded to 5 decimal places, e.g., .16161.) X % % Y % %
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