The following frequency distribution shows the ACT scores of a sample of students: 
For the above data, compute the following.
a.The mean
b.The standard deviation
Definitions:
Free Lunch
An expression indicating that it is impossible to get something for nothing, underscoring the idea that every choice has a cost.
Resources
Assets, materials, and commodities available for use in the production process to generate goods or services.
Need
A requirement essential for survival or to meet the minimum standards of living.
Scarcity
At the heart of economic challenges lies the conflict between boundless human demands and the scarcity of resources.
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