Find the Amplitude, Period, and Phase Shift of the Function $y = 2 \cos \left( \frac { 1 } { 2 } x - \frac { \pi } { 6 } \right)$

question 104

Short Answer

Find the amplitude, period, and phase shift of the function. $y = 2 \cos \left( \frac { 1 } { 2 } x - \frac { \pi } { 6 } \right)$

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Definitions:

Kruskal-Wallis Test

A nonparametric statistical test used to determine if there are statistically significant differences between two or more groups of an independent variable on a continuous or ordinal dependent variable.

Wilcoxon Rank-sum Test

A nonparametric statistical test used to compare two independent samples to assess whether their population mean ranks differ.

Statistical Populations

A set of similar items or events which is of interest for some question or experiment.

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess differences.