Simplify
- $\frac { \sqrt { 6 } } { 13 } + \frac { 1 } { \sqrt { 6 } }$

question 121

Multiple Choice

Simplify.
- $\frac { \sqrt { 6 } } { 13 } + \frac { 1 } { \sqrt { 6 } }$

• A) \(\frac { - 7 \sqrt { 6 } } { 6 }\)
• B) \(\frac { - 7 \sqrt { 6 } } { 13 }\)
• C) \(\frac { 19 \sqrt { 6 } } { 78 }\)
• D) \(\frac { - 7 \sqrt { 6 } } { 78 }\)

---

Definitions:

Wilcoxon Rank

A non-parametric statistical test that compares two paired groups, based on ranking the differences between pairs and used when the data does not necessarily conform to a normal distribution.

Null Hypothesis

A hypothesis that assumes no significant difference or effect, serving as a default position until evidence indicates otherwise.

Pearsons Correlation

A measure of the linear correlation between two variables X and Y, giving a value between +1 and -1 inclusive, where 1 is total positive linear correlation, 0 is no linear correlation, and −1 is total negative linear correlation.

Ranks Of Data

The order of data points based on their value, usually from smallest to largest, used in non-parametric statistical analyses.