JMU BIO 250 LAB FINAL EXAM WITH ALL
CORRECT & VERIFIED ANSWERS (UPDATED TO
1. PASS)
used to
Linear Regression
compare
relationship
be- tween 2
variables normally distributed: t-test
abnormally distributed: Mann-
2. Compare
means
Whitney chi square
of 2 variables
3. comparing
cate- gories or
analyze - regression -
prefer- ences linear independent: IV
dependent: DV
4. Linear
Regres- sion
steps
5. R square explains variability
6. R square = 0.5 explains 50% variability
7. Linear reject null with (100 - p-value)% confidence
regression
p< 0.05
8. Shapiro-Wilk test test for normality
9. Shapiro- analyze- descriptive stats- explore- plots- normality plots with tests
Wilk Steps
10. shapiro wilk p val- p > 0.05 = normally distributed
ues p < 0.05 = abnormally distributed
11. t-test steps automatic recode- analyze- compare means- independent samples test
1/
5
, JMU BIO 250 LAB FINAL EXAM WITH ALL
CORRECT & VERIFIED ANSWERS (UPDATED TO
PASS) test variable: numbers(scale)
grouping variable: recode
2/
5
CORRECT & VERIFIED ANSWERS (UPDATED TO
1. PASS)
used to
Linear Regression
compare
relationship
be- tween 2
variables normally distributed: t-test
abnormally distributed: Mann-
2. Compare
means
Whitney chi square
of 2 variables
3. comparing
cate- gories or
analyze - regression -
prefer- ences linear independent: IV
dependent: DV
4. Linear
Regres- sion
steps
5. R square explains variability
6. R square = 0.5 explains 50% variability
7. Linear reject null with (100 - p-value)% confidence
regression
p< 0.05
8. Shapiro-Wilk test test for normality
9. Shapiro- analyze- descriptive stats- explore- plots- normality plots with tests
Wilk Steps
10. shapiro wilk p val- p > 0.05 = normally distributed
ues p < 0.05 = abnormally distributed
11. t-test steps automatic recode- analyze- compare means- independent samples test
1/
5
, JMU BIO 250 LAB FINAL EXAM WITH ALL
CORRECT & VERIFIED ANSWERS (UPDATED TO
PASS) test variable: numbers(scale)
grouping variable: recode
2/
5
