John Lives in Los Angeles and Hates the Traffic

question 31

Essay

John lives in Los Angeles and hates the traffic. He asked a sample of six of his coworkers who live all over Los Angles how many hours they spend commuting every year. These are their responses in hours per year. (See the Excel Data File.)
A) Calculate and interpret the 30^th, 50^th, and 70^th percentiles.
B) Are there any outliers? Is the distribution symmetric? If not, comment on its skewness.

• A) Calculate and interpret the 30^th, 50^th, and 70^th percentiles.
• B) Are there any outliers? Is the distribution symmetric? If not, comment on its skewness.

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Definitions:

Data Redundancy

The unnecessary repetition of data within a database, which can lead to inconsistencies and increased storage requirements.

Access Rules

Set of guidelines or permissions defined in a database or application to control access to data or features based on user roles or credentials.

Import Spreadsheet Wizard

A tool or assistant in software applications that guides users through the process of importing data from a spreadsheet into another application or format.

Linking Spreadsheet Wizard

A tool in database software that assists users in linking data from a spreadsheet, integrating it into the database system.