The Nation's Time Zones

question 123

Multiple Choice

The nation's time zones

• A)originally numbered ten.
• B)were created by Congress at the request of railroads.
• C)were widely adopted in 1883,but not officially sanctioned by Congress until 1918.
• D)were initially created by private industry.
• E)supported what American's called "God's time."

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Definitions:

T-Statistic

A type of test statistic used in Student's t-test, calculated as the difference between an observed sample mean and a known population mean, divided by the standard error.

Multiple Regression

A statistical technique that uses multiple independent variables to estimate the outcome of a dependent variable.

Least-Squares Regression

A statistical method used to determine the line of best fit by minimizing the sum of the squares of the differences between observed and predicted values.

Male Employees

Workers or staff members within an organization or company who identify as male.