Flight 3 Flight 19 Flight 21 22 -5 3. -8 8. -11 -4 19 -5 -4 73 -1 -1 60 18 47 13 142 -11 -1 47
Flight 3 Flight 19 Flight 21 22 -5 3. -8 8. -11 -4 19 -5 -4 73 -1 -1 60 18 47 13 142 -11 -1 47
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.6: Permutations
Problem 13E
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Question
In Exercises 1-5, refer to the following list of departure delay times (min) of American Airline flights from JFK airport in New York to LAX airport in Los Angeles. Assume that the data are samples randomly selected from larger populations.
Exploring the Data Include appropriate units in all answers.
a. Find the mean for each of the three flights.
b. Find the standard deviation for each of the three flights.
c. Find the variance for each of the three flights.
d. Are there any obvious outliers?
e. What is the level of measurement of the data (nominal, ordinal, interval, ratio)?
Transcribed Image Text:Flight 3
Flight 19
Flight 21
22
-5
3.
-8
8.
-11
-4
19
-5
-4
73
-1
-1
60
18
47
13
142
-11
-1
47
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