We look at a random sample of 1000 United flights in the month of December comparing the actual arrival time to the scheduled arrival time. Computer output of the descriptive statistics for the difference in actual and expected arrival time of these 1000 flights are shown below. N Mean StDev SE Mean Min Q1 Median Q3 Max 1000 9.79 41.9 1.32 -51 -11 0 19 437 X= 9.79 S= 41.9 Use the summary statistics to compute a 95%confidence interval for the average difference in actual and scheduled arrival times on United flights in December. Round your answers to two decimal places. The 95%confidence interval is to
We look at a random sample of 1000 United flights in the month of December comparing the actual arrival time to the scheduled arrival time. Computer output of the descriptive statistics for the difference in actual and expected arrival time of these 1000 flights are shown below. N Mean StDev SE Mean Min Q1 Median Q3 Max 1000 9.79 41.9 1.32 -51 -11 0 19 437 X= 9.79 S= 41.9 Use the summary statistics to compute a 95%confidence interval for the average difference in actual and scheduled arrival times on United flights in December. Round your answers to two decimal places. The 95%confidence interval is to
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Incorrect answers so far: 7.22 to 12.36, 7.07 to 12.50, and 7.74 to 11.84
Transcribed Image Text:We look at a random sample of 1000 United flights in the month of December comparing the
actual arrival time to the scheduled arrival time. Computer output of the descriptive statistics
for the difference in actual and expected arrival time of these 1000 flights are shown below.
N
Mean StDev SE Mean Min Q1 Median Q3 Max
1000 9.79 41.9
1.32
-51 -11 0
19 437
X= 9.79
S= 41.9
Use the summary statistics to compute a 95%confidence interval for the average
difference in actual and scheduled arrival times on United flights in December.
Round your answers to two decimal places.
The 95%confidence interval is
to
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