Question

What is the $F$ statistic?

Short answer

The $F$statistic islocalid="1649235687045" $3.74$.

Step-by-step solution

Given Information

Groups of men from three different areas of the country are to be tested for mean weight.

Group 1	Group 2	Group 3
216	202	170
198	213	165
240	284	182
187	228	197
176	210	201

Explanation

To calculate value of $F$-statistic, use Ti-83 calculator. For this, click on STAT $\to$press$1\to$EDIT, then put the above given weights of different groups data into the list $L1,L2$and $L3$. The screenshot is given as below:

Explanation

Now again press STAT $\to$arrow over the TESTS $\to$arrow down to ANOVA $\to$Press var then select$1$, press var then select $2$, press var then select $3$to fill the values of $L1,L2andL3$. The screenshot is given below:

Explanation

Press ENTER. The screenshot of the obtained output of the calculated value of $F$-statistic is given as below.

The value of$F-$statistics is localid="1649235699261" $3.74$.