A Researcher Is Examining Three Different Types of Treatment on Individuals

Short Answer

A researcher is examining three different types of treatment on individuals who suffer from major depression. Below are the data, use it to answer the following questions
$$\begin{array}{l}\begin{array} { ccc } \hline \text { treatment type } 1& \text { treatment type } 2 &\text { treatment type } 3\\\hline 43 & 45 & 31 \\45 & 36 & 36 \\29 & 18 & 38 \\27 & 40 & 45 \\38 & 51 & 39 \\41 & 31 & 29 \\39 & 29 & 30 \\24 & 34 & 28 \\31 & 36 & 22 \\38 & 37 & 19 \\19 & 24 & 30 \\\hline\end{array}\end{array}$$ calculate the eta-squared