The success of an airline depends heavily on its ability to provide a pleasant customer experience. One dimension of customer service on which airines compete is on-time arrival. The file LateFlights contains a sample of data from delayed fights showing the number of minutes each delayed fight was late for two different airines, Deita and Southwest. Click on the datafile logo to reference the data. DATA File Delta Southwest Delta Southwest Delta Southwest Delta Southwest Deita 36 30 34 38 119 120 63 37 35 67 114 53 102 55 87 68 100 43 50 86 74 17 66 87 35 40 34 64 41 53 30 86 33 57 61 46 52 26 70 62 75 54 80 a. Formulate the hypotheses that can be used to test for a difference between the population mean minutes late for delayed flights by these two airlines. 4- population mean minutes late for delayed Deita flights a- population mean minutes late for delayed Southwest flights Select your answer H - Select your answer b. What is the sample mean number of minutes late for delayed flights for each of these two airlines? Sample mean for Delta (rounded to 2 decimals) Sample mean for Southwest (rounded to 2 decimals) c. Using a 0.05 level of significance, what is the p-value and what is your conciusion? df- (rounded down to nearest whole number) p-value (rounded to 4 decimals) We Select your answer vreject Ho.
The success of an airline depends heavily on its ability to provide a pleasant customer experience. One dimension of customer service on which airines compete is on-time arrival. The file LateFlights contains a sample of data from delayed fights showing the number of minutes each delayed fight was late for two different airines, Deita and Southwest. Click on the datafile logo to reference the data. DATA File Delta Southwest Delta Southwest Delta Southwest Delta Southwest Deita 36 30 34 38 119 120 63 37 35 67 114 53 102 55 87 68 100 43 50 86 74 17 66 87 35 40 34 64 41 53 30 86 33 57 61 46 52 26 70 62 75 54 80 a. Formulate the hypotheses that can be used to test for a difference between the population mean minutes late for delayed flights by these two airlines. 4- population mean minutes late for delayed Deita flights a- population mean minutes late for delayed Southwest flights Select your answer H - Select your answer b. What is the sample mean number of minutes late for delayed flights for each of these two airlines? Sample mean for Delta (rounded to 2 decimals) Sample mean for Southwest (rounded to 2 decimals) c. Using a 0.05 level of significance, what is the p-value and what is your conciusion? df- (rounded down to nearest whole number) p-value (rounded to 4 decimals) We Select your answer vreject Ho.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 2 images
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt