Write an Equivalent Expression. Use an Associative Law

question 271

Multiple Choice

Write an equivalent expression. Use an associative law.
-(3x) y

• A)3(xy)
• B)3x + 3y
• C)(3y)x
• D)(x3)y

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Definitions:

Test-statistic

A test statistic is a calculated value from sample data that is used in statistical hypothesis testing to determine whether to reject the null hypothesis.

Degrees of Freedom

Degrees of freedom refer to the number of independent values or quantities which can be assigned to a statistical distribution or in the calculation of statistics, minus the number of independent constraints applied to the data set.

Margin of Error

A measure indicating the range within which the true value lies, with a given level of confidence.

Gas Stations

Facilities that sell fuel and often other automotive services or goods to motorists and vehicles.