stats formulas to remember

Question 1

SSerror

Answer 1

sum of variances x number of data points in every set -1

Question 2

SSgroup

Answer 2

1. mean of groups
2. mean of groups- grand mean
3. number 2 ^2
4. sum of all number 3
5. number 4 x number of sample in each group

Question 3

k

Answer 3

number of groups

Question 4

n

Answer 4

number of scores in a group

Question 5

calculating p value of anova

Answer 5

fdist(f, df group, df error)

Question 6

how many people in study in factorial anova

Answer 6

df column, total