Data Set #1

Group 1

Mean = 4.17

standard deviation = 2.93

variance = 8.56

sum of squares (SS) = 42.83

sample size (n) = 6

"sum of x" = 25

"sum of x-squared" = 147

Group 2

Mean = 9.83

standard deviation = 2.86

variance = 8.18

sum of squares (SS) = 40.83

sample size (n) = 6

"sum of x" = 59

"sum of x-squared" = 621

t-value = -3.40