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You Have a Database That Contains Information About All of the Employees

question 7

Essay

You have a database that contains information about all of the employees from your company.  There is a table containing basic demographic information called Employees and a table containing salary information called Pay. The two tables are related by the field called Emp ID.
Your supervisor wants to see a list of employees who are making over $25,000.00 and have a last name of a "Wilson". Describe how to accomplish this.


Definitions:

Contingency Table

A tabular representation of categorical data to show the frequency of different combinations of variables.

Gender

A social and cultural construct that differentiates roles, behaviors, activities, and attributes considered appropriate for men and women in a society.

Test Statistic

A calculated value from sample data used to decide whether to reject the null hypothesis in statistical hypothesis testing.

P-Value

A p-value is a statistical measure that helps researchers determine the significance of their experimental results by indicating the probability of obtaining the observed data, or something more extreme, if the null hypothesis is true.

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