Four groups of subjects were randomly selected, and subjected to different experimental treatments. Their scores were: $$\begin{array} { c c c c }
\text { Group 1 } & \text { Group 2 } & \text { Group 3 } & \text { Group 4 } \
5 & 7 & 8 & 15 \
4 & 5 & 7 & 14 \
3 & 6 & 6 & 18 \
6 & 8 & 8 & 12
\end{array}$$
a. Calculate the F ratio
b. Should Ho be rejected ? If rejected, state the probability of alpha error.

Question

Four groups of subjects were randomly selected, and subjected to different experimental treatments. Their scores were: $$\begin{array} { c c c c } 
\text { Group 1 } & \text { Group 2 } & \text { Group 3 } & \text { Group 4 } \
5 & 7 & 8 & 15 \
4 & 5 & 7 & 14 \
3 & 6 & 6 & 18 \
6 & 8 & 8 & 12
\end{array}$$ 
a. Calculate the F ratio
b. Should Ho be rejected ? If rejected, state the probability of alpha error.

Quizplus · Accepted Answer

The Answer of Four groups of subjects were randomly selected, and subjected to different experimental treatments. Their scores were: $$\begin{array} { c c c c } 
\text { Group 1 } & \text { Group 2 } & \text { Group 3 } & \text { Group 4 } \
5 & 7 & 8 & 15 \
4 & 5 & 7 & 14 \
3 & 6 & 6 & 18 \
6 & 8 & 8 & 12
\end{array}$$ 
a. Calculate the F ratio
b. Should Ho be rejected ? If rejected, state the probability of alpha error.

Four Groups of Subjects Were Randomly Selected, and Subjected to Different