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.
Values
Scale of
measurement
JASP variable
Definition
id
Student identification number
Nominal
lastname
Student last name
Nominal
firstname
Student first name
Nominal
genderidentity
Student gender identity
1 = woman; 2 = man; 3 =
transgender; 4 = nonbinary/non-conforming; 5 =
prefer not to disclose
ethnicity
Student ethnicity
1 = Native American; 2 = Asian;
3 = Black; 4 = White; 5 =
Hispanic
Nominal
year
Class rank
1 = freshman; 2 = sophomore;
3 = junior; 4 = senior
Ordinal
lowup
Lower or upper division
1 = lower; 2 = upper
Nominal
section
Class section
Nominal
gpa
Previous grade point average
Scale
extcr
Did extra credit project?
1 = no; 2 = yes
Nominal
review
Attended review sessions?
1 = no; 2 = yes
Nominal
quiz1
Quiz 1: number of correct answers
Scale
quiz2
Quiz 2: number of correct answers
Scale
quiz3
Quiz 3: number of correct answers
Scale
quiz4
Quiz 4: number of correct answers
Scale
Nominal
1
Values
Scale of
measurement
JASP variable
Definition
quiz5
Quiz 5: number of correct answers
Scale
final
Final exam: number of correct
answers
Scale
total
Total number of points earned
Scale
percent
Final percent
Scale
grade
Final letter grade (A, B, C, D, F)
Nominal
passfail
Passed or failed the course? 1 =
pass; 0 = fail
Nominal
2
J IJASP
BY
BY
• ··
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Histograms and Descriptive Statistics
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•
•
Part 1: Histograms
Download grades.jasp from Week 2 Assignment Instructions.
Open grades.jasp in JASP. To do this, start JASP. Select the blue
“sandwich” in the top left corner. Select “Open.” Select “Computer.”
Browse to the saved file. Select “Open.”
•
JASP
–
l!!r
Recent Files
Save
X
+
Recent Folders
Computer
X
Save As
OSF
-E-
.,
1′
–
«Desktop > JASP ,
C
p
Export Results
Data Library
Export Data
Organize •
New folder
a
#
oesktop
!_ Download s #
ITJ
Name
I
I• I
grades
Status
0-,temodified
0
Type
AJASPfil~ contai…
8KB
Sync Data
Close
Preferences
A bout
Open
SCREENSHOTS TAKEN FROM JASP version 16.
QUESTIONS? EMAIL: MULTI7864TEAM@CAPELLA.EDU
0
Size
Cancel
•
Part 1 asks for two histograms. Select the Descriptives option from
the menu bar and a new window appears.
—
-1.
lid
Descriptives
T-Tests
ANOVA
Mixed Models
… Descriptive Statistics
‘
id
lastname
&,
&, firstname
••
•
I
gen deride ntity
I
ethnicity
H
Regression
Frequencies
0 0 0 0
Variables
year
low up
I
section
‘
gpa
I
quiz1
I
quiz2
I
quiz3
I
quiz4
A extcr
A review
I
quiz5
,
final
Transpose descriptives table
S1ati stics
Basic plots
Customizable plots
Tables
T
Split
..
–
Select the final variable. Then select the arrow key to move it over
into the Variables box.
-. Descriptive Statistics
‘
–
id
&, lastn ame
&, firstn ame
0 0 0 0
ge nderi dentity
ethni city
Sp lit
e
Select the lowup variable. Select the arrow key to move it over into
the Split box.
0 0 0 0
-. Descriptive Statisti cs
Vari ables
fin al
II
e
Select Basic plots. Select Distribution plots. Your histograms will
appear in a new window.
0 0 0 0
..- Descriptiv,e Statistics
‘
id
lastn ame·
Variables
final
firstrname,
g:ern deride rntity
ethnicity
yea:r
rll section
‘..
gpa
e,xtcr
rn11iew
Q,llll iz.1
1
q,uiiz:2
q,UJ ii23,
Q,llll iz.4
1
I
,
q,uiiZ.5
total
,
pe,rrnrnt
Trans pose descriptives table
•
Basic plots
II Distri bution plots
Sp lit
lowup
Copy and paste the histogram output into a new Word document.
Below the output, briefly describe what a visual inspection of this output
tells you about the shape of the distributions.
Distribution Plots •
fi nal•
lower division
upper division •
(/)
c::,
0
