A survey of 10 students was conducted to investigate the amount of time they spend on social media each day. Students were given a timer and asked to record the number of minutes spent every time they accessed social media. The students' total times for one day are given below (in minutes) . 
The standard deviation for these data is:
Definitions:
Comparative Purposes
This involves evaluating financial or other data side by side from different periods or entities to assess performance trends or differences.
Internet Resellers
Businesses or individuals that purchase goods or services with the intention of selling them online to a consumer or another business.
Gross or Net Basis
A method used in accounting to determine whether all revenues and costs or only the net difference is recorded.
SEC
The U.S. Securities and Exchange Commission, which is responsible for enforcing federal securities laws and regulating the securities industry, stock and options exchanges.
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