Question 4

7864 Data Set Instructions

The 7864 data set is fictional data. The data represents a teacher’s recording of student

demographics and academic performance across three sections of their course. Each course

section consists of about 35 students (N = 105).

The data set is located on grades.jasp. You can download grades.jasp from the 7864

assignments instructions area. It will then open in JASP.

There are 21 variables in the course data set. Refer to the table below.

Scale of

JASP variable Definition Values measurement

id Student identification number Nominal

lastname Student last name Nominal

firstname Student first name Nominal

1 = woman; 2 = man; 3 =

transgender; 4 = non- genderidentity Student gender identity Nominal binary/non-conforming; 5 =

prefer not to disclose

1 = Native American; 2 = Asian;

ethnicity Student ethnicity 3 = Black; 4 = White; 5 = Nominal

Hispanic

1 = freshman; 2 = sophomore;

year Class rank Ordinal 3 = junior; 4 = senior

lowup Lower or upper division 1 = lower; 2 = upper Nominal

section Class section

gpa Previous grade point average Scale

extcr Did extra credit project? 1 = no; 2 = yes Nominal

review Attended review sessions?

quiz1 Quiz 1: number of correct answers

quiz2 Quiz 2: number of correct answers Scale

Nominal

1 = no; 2 = yes Nominal

Scale

quiz3 Quiz 3: number of correct answers Scale

quiz4 Quiz 4: number of correct answers Scale

1

Scale of

JASP variable Definition Values measurement

quiz5 Quiz 5: number of correct answers Scale

Final exam: number of correct final Scale

answers

total Total number of points earned Scale

percent Final percent Scale

grade Final letter grade (A, B, C, D, F) Nominal

Passed or failed the course? 1 = passfail Nominal