FedEx and United Parcel Service (UPS) are the world’s two leading cargo carriers by volume and… 1 answer below »

FedEx and United Parcel Service (UPS) are the world's two leading cargo carriers by volume and revenue (The Wall Street Journal, January 27, 2004). According to the Airports Council International, the Memphis International Airport (FedEx) and the Louisville International Airport (UPS) are two of the ten largest cargo airports in the world. The following random samples show the tons of cargo per day handled by these airports. Data are in thousands of tons.

Population 1 = Memphis and population 2 = Louisville

Memphis samples are as follows: 9.1, 15.1, 8.8, 10.0, 7.5, 10.5, 8.3, 9.1, 6.0, 5.8, 12.1, and 9.3

Louisville samples are as follows: 4.7, 5.0, 4.2, 3.3, 5.5, 2.2, 4.1, 2.6, 3.4, and 7.0

a. Compute the sample mean and sample standard deviation for each airport:

x1=________

x2=________

s1=________

s2=________

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