Question 750:
Test the hypothesis of no differences for average payback period (years) necessary to justify solar heating systems for residences.Savings and Loans Other Financiers
X1 = 8.7 X2 = 7.7
S2/1 = .5 S2/2 = .6
n1 = 100 n2 = 64
Savings and Loans Other Financiers
X1 = 8.7 X2 = 7.7
S2/1 = .5 S2/2 = .6
n1 = 100 n2 = 64