Consider the Accompanying Data on Plant Growth After the Application

Multiple Choice

Consider the accompanying data on plant growth after the application of different types of growth hormone. $$\begin{array} { l c | c c c c } \hline & 1 & 15 & 19 & 9 & 16 \\& 2 & 23 & 15 & 22 & 19 \\\text { Hormone } & 3 & 20 & 17 & 22 & 19 \\& 4 & 9 & 13 & 20 & 12 \\& 5 & 8 & 13 & 17 & 10 \\\hline\end{array}$$

A) Perform an F test at level $\alpha = .05$
B) What happens when Tukey's procedure is applied?