Data Set #2

Group 1

Mean = 2.67

standard deviation = 1.21

variance = 1.46

sum of squares (SS) = 7.33

sample size (n) = 6

"sum of x" = 16

"sum of x-squared" = 50

Group 2

Mean = 6.33

standard deviation = .82

variance = .67

sum of squares (SS) = 3.33

sample size (n) = 6

"sum of x" = 38

"sum of x-squared" = 244

t-value = -6.14