A pizza shop advertises that they deliver in 30 minutes or less or it is free. People who live in homes that are located on the opposite side of town believe it will take the pizza shop longer than 30 minutes to make and deliver the pizza. A random sample of 50 deliveries to homes across town was taken and the mean time was computed to be 32 minutes. What is the appropriate symbol to represent the value, 32?
A)u = 32
B) $\bar { x }$ = 32
C)n = 32
D) $\bar { p }$ = 32

Question

Quizplus · Accepted Answer

The appropriate symbol to represent the sample mean is $\bar { x }$, which in this case is equal to 32 minutes.

A Pizza Shop Advertises That They Deliver in 30 Minutes xˉ\bar { x }xˉ

A Pizza Shop Advertises That They Deliver in 30 Minutes $\bar { x }$