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)?
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.

Transcribed Image Text:

Flight 3 Flight 19 19 Flight 2118 3 -4 -4 73 60 142 47