You have below in a table the frequency distribution of the waiting time of customers at a sandwich shop. Using the information: a. calculate the Average (Mean) and b. Standard Deviation of the waiting time for customers at this shop Wait Time   Customers 14 16 19 25 160 225 175 40.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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You have below in a table the frequency distribution of the waiting time of customers at a sandwich shop. Using the information:

a. calculate the Average (Mean)

and

b. Standard Deviation of the waiting time for customers at this shop

Wait Time   Customers

14 16 19 25 160 225 175 40.

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