The number of items answered correctly by each subject under spaced- versus massed study conditions. There aredifferent people in each group. Perform the appropriate test to see if there is asignificant differencebetween the two groups.Answer should include hypotesting,variance,standarderror,Tteststatistic,interpretation.

Spaced study Massed Study 23 10 18 6 23 11 22 15 20 15 24 16 21 12 24 9 21 8 24 10