1. What is an F ratio and how is it calculated? 2. If SSbetween = 30, SSwithin =...

1. What is an F ratio and how is it calculated?

2. If SS_between = 30, SS_within = 40, df_between = 3, and df_within = 20, then F = ______.

3. If df_between = 3, and df_within = 60, if alpha is set at .05, then F_crit =______.

4. If the sample size is 30 and the mean score for group one is 5.6, mean score for group two is 7.8, and mean score for group three is 4.8, what is the SS between of this study?

Expert Solution

1).The F-ratio is the ratio of between group variance to within group variance.

it is calculated as:-

2).given data are:-

3).given data are:-

[ in any blank cell of excel type =F.INV.RT(0.05,3,60)]

4).given data are:-

the grand mean be:-

the SS between of this study is:-

*** if you have any doubt regarding the problem please write it in the comment box.if you are satisfied please give me a LIKE if possible...

orchestra answered 2 years ago

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