Perform the Indicated Operation $$\frac { 5 x - 20 } { 3 x - 2 } \div \frac { 4 - x } { 9 x ^ { 2 } - 4 } \cdot \frac { x + 3 } { 4 x + 12 }$$

question 236

Multiple Choice

Perform the indicated operation. If possible, simplify your answer.
- $$\frac { 5 x - 20 } { 3 x - 2 } \div \frac { 4 - x } { 9 x ^ { 2 } - 4 } \cdot \frac { x + 3 } { 4 x + 12 }$$

• A) \(\frac { - 5 ( 3 x - 2 ) } { 4 }\)
• B) \(\frac { 5 ( 3 x + 2 ) } { 4 }\)
• C) 1
• D) \(\frac { - 5 ( 3 x + 2 ) } { 4 }\)

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Definitions:

Wilcoxon Signed Rank

The Wilcoxon Signed Rank test is a nonparametric statistical test used to compare two related samples to assess whether their population mean ranks differ.

Wilcoxon Signed Rank

A non-parametric statistical hypothesis test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.

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Magnitude is a measure of the size or amount of a quantitative attribute or phenomenon.

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A sign test statistic is used in non-parametric statistics to determine if two dependent samples come from the same distribution, focusing on the direction of changes rather than their sizes.