The calculator screens summarize a data set. 
a. How many data items are in the set?
b. What is the sum of the data?
c. Identify the mean, median, and mode, if possible.
Definitions:
Spreadsheet Simulation
A technique involving the use of spreadsheet software to model and analyze complex systems or processes.
Target Return
A pricing strategy where the price is set based on a desired return on investment or profit margin.
Target Return-on-investment Pricing
A pricing strategy aiming to set prices based on the expected return on investment (ROI) that is targeted by the company.
Annual Target ROI
The specific return on investment a company aims to achieve within one fiscal year.
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