+1 862 207 3288 Coding
1. FRr-l. SO==2 JR=3 811:4
SPSS Knowledge
1-“; weak 2 2 moderate 3 3 good 4 = excellent
Gender
1: Male ‘2 === Female
Computer Skills
1 = weak 2 = moderate 3: good 4 = Excellent
Questions:
1. Regress the student GPA (dependent variable) on Study Hours, Computer
Skills, and Knowledge of SPSS (three independent variables) and find out if
this model is significant. How strong is the association between model
variables? How much variation in student’s GPA is eXplained by student’s
computer skills , knowledge of SPSS, and study hours.
2. Correlate the following variables and explain the results: GPA, Hours of
study, computer skills, and SPSS knowledge.
3. Correlate the following variables and explain the results: GPA, Weight and
smoking
(2%
4. Are there . stat1stically significant differences in GPA among students with
different status (FR, SO, JR, and SR). State the Null hypothesis, and identify
the dependent and independent variables in this case.
5. Recode the Family income into a categorical variable (Convert this
continuous variable into categorical variables with only three categories and
test if there are any statistically significant differences in GPA among groups
with different income.
6. Cross tabulate gender by status and find the percentage of students in each
cell ofthe table.
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