Speedy Swift is a package delivery service that serves the greater Atlanta, Geor

Question

Speedy Swift is a package delivery service that serves the greater Atlanta, Georgia metropolitan area. To maintain customer loyalty, one of Speedy Swift's performance objectives is on-time delivery. To monitor its performance, each delivery is measured on the following scale: early (package delivered before the promised time), on-time (package delivered within 5 minutes of the promised time), late (package delivered more than 5 minutes past the promised time), lost (package never delivered). Speedy Swift's objective is to deliver 99 percent of all packages either early or on-time. Another objective is to never lose a package. Speedy collected the following data for last month's performance: On-time On-time Early Late On-time On-time On-time On-time Late On-time Early On-time Early Early On-time On-time On-time On-time On-time On-time Early On-time Early On-time On-time On-time Early On-time On-time On-time Early On-time On-time Late Early Early On-time On-time On-time Early On-time Late Late On-time On-time On-time On-time On-time On-time On-time On-time Late Early On-time Early On-time Lost On-time On-time On-time Early Early On-time On-time Late Early Late On-time On-time On-time On-time On-time Early On-time Early On-time Early On-time Late On-time On-time Early On-time On-time On-time Late On-time Early On-time On-time On-time On-time On-time On-time On-time Early Early On-time On-time On-time Picture Click here for the Excel Data File (a) What scale is used to measure delivery performance? What kind of variable is delivery performance? Scale Variable (b) Construct a frequency table for delivery performance for last month. Performance Frequency Early On-time Late Lost (c) Construct a relative frequency table for delivery performance last month. (Round your answers to 2 decimal places.) Performance Relative frequency Early On-time Late Lost (f) Complete the following table. Packages either early or on-time % Packages lost %

Explanation / Answer

(a) Scale -nominal Variable- Qualitative (b) Frequency table Performance Frequency Early 22 On-time 68 Late 7 Lost 1 (c) Relative frequency table( approximate to two decimal places) Performance Frequency Early 0.23 On-time 0.69 Late 0.07 Lost 0.01 (d) Packages either early or on-time 92% Packages lost 1%

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