ANSC 309 EXAM 2 QUESTIONS AND ANSWERS

ANSC 309 EXAM 2 QUESTIONS AND
ANSWERS
tcalc for paired - Answer-(meanDIFF - 0) / SEM

tcalc for 2 sample - Answer-(mean - mean) / SEMpooled

JMP for simple - Answer-Distributions

JMP for paired - Answer-Matched Pairs

JMP for 2 sample - Answer-Bivariate Analysis or Fit Y by X

JMP for ANOVA - Answer-Analysis of Variance

F-table - Answer-source df SS MS F-stat
between
within
total

between df = - Answer-k-1

total df = - Answer-n-1

ms = - Answer-ss/df

f-stat = - Answer-between ms / within ms

f-tab - Answer-between df and within df
tcalc > ttab - Answer-REJECT

ttab > tcalc - Answer-FAIL TO REJECT

s2 pooled - Answer-(ss + ss) / (df + df)

SEM pooled - Answer-square root of ((s2 x p) / n + (s2 x p) / n)

Rsquare - Answer-(TSS / tot. SS) x 100%

- total variation in a data set attributed to the treatment

K - Answer-number of treatments

n - Answer-number of observations