MAS202_-_SU_2023_-_PT3_300.webp

(Choose 1 answer)
(See picture)
A. 38
B. 18
C. 19
D. 39
3
If we are testing for the difference between the means of 2 independent populations presuming equal variances with samples of n₁ = 20 and n2= 20, the number of degrees of freedom is equal to