1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

IMAGE imgs/section_3_pgmkr_601.gif
IMAGE imgs/section_3_pgmkr_602.gif IMAGE imgs/section_3_pgmkr_605.gif IMAGE imgs/section_3_pgmkr_606.gif

DIFFERENCE

BETWEEN

MEANS

TWOPOPULATIONS

OF

IMAGE imgs/section_3_pgmkr_693.gif IMAGE imgs/section_3_pgmkr_694.gif

X1- X2

t =

for N1= N2= N

IMAGE imgs/section_3_pgmkr_695.gif
IMAGE imgs/section_3_pgmkr_696.gif
IMAGE imgs/section_3_pgmkr_690.gif

OR

IMAGE imgs/section_3_pgmkr_693.gif IMAGE imgs/section_3_pgmkr_693.gif

X1- X2

t =

df = N1+ N2- 2

for N1[!] N2

IMAGE imgs/section_3_pgmkr_699.gif
IMAGE imgs/section_3_pgmkr_6100.gif
IMAGE imgs/section_3_pgmkr_604.gif

Hosted by www.Geocities.ws

1