Answer:
Kindly check explanation
Step-by-step explanation:
(a) What scale is used to measure delivery performance?
Ordinal scale was used because their is an hierarchical arrangement in the delivery performance. Arrangement in order of promptness(EARLY - - > ON TIME - - > LATE - - > LOST)
What kind of variable is delivery performance?
Qualitative variable due to the non-numeric nature of its representation.
B.)
(b) Construct a frequency table for delivery performance for last month.
Performance ___Frequency
Early ____________23
On-time _________ 68
Late _____________8
Lost _____________ 1
C)
Performance ___Frequency ___R/frequency
Early ____________23 ___23/100 = 0.23
On-time _________ 68 ___68/100 = 0.68
Late _____________8 ____8/100 = 0.08
Lost _____________ 1 _____1/100 = 0.01
D)
Percentage (%) Packages either early or on time :
(0.23 + 0.68) = 0.91 = 91
Late packages (%) = 0.08 = 8
Lost packages (%) = 0.01 = 1
