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Descriptive Statistics of Student Performance: GPA and Exam Scores, Assignments of Statistics

Portage Lakes Career CenterStatistics

Descriptive statistics for a dataset of student performance, including age, gpa, biology, history, and chemistry exam scores, caffeine intake, physical activity, sleep, and alcohol intake. It includes measures such as mean, median, mode, standard deviation, and skewness for each variable. The document also references the jamovi project and r core team software used for statistical computing, providing a concise overview of the data's central tendencies and distributions. This analysis is useful for identifying trends and patterns in student performance and related factors, aiding in educational research and policy-making. (415 characters)

Typology: Assignments

2024/2025

Uploaded on 06/20/2025

anna-nelson-1
anna-nelson-1 🇺🇸

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Results
Descriptives
Descriptives
Age GPA (z) GPA
Biology
Exam
Score
History
Exam
Score
Chemistry
Exam
Score
Caffeine
Intake
Physical
Activity Sleep Alcohol
Intake Studying
N1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200
Missing 0 0 0 0 0 0 0 0 0 0 0
Mean 21.2 2.64e-
16
3.01 77.0 77.9 77.8 6.73 4.01 5.99 7.65 10.6
Median 20.0 -0.0200 3.00 77.0 78.0 78.0 6.00 4.00 6.00 8.00 11.0
Mode 20.0 1.69 3.97 96.0 78.0 94.0 1.00 4.00 6.00 14.0 18.0
Standard
deviation
5.28 1.000 0.570 13.5 13.4 13.3 5.06 2.52 2.01 4.54 5.78
Skewness 2.85 0.0120 0.0120 0.0179 -0.0331 -0.0153 0.796 0.00375 0.0137 -0.0315 -0.0356
Std. error
skewness
0.0706 0.0706 0.0706 0.0706 0.0706 0.0706 0.0706 0.0706 0.0706 0.0706 0.0706
Plots
Age
pf3
pf4
pf5
pf8
pf9

Partial preview of the text

Download Descriptive Statistics of Student Performance: GPA and Exam Scores and more Assignments Statistics in PDF only on Docsity!

Results

Descriptives

Descriptives

Age GPA (z) GPA

Biology Exam Score

History Exam Score

Chemistry Exam Score

Caffeine Intake

Physical Activity

Sleep

Alcohol Intake

Studying

N 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200

Missing^0 0 0 0 0 0 0 0 0 0

Mean 21.2^ 2.64e- 16

Median 20.0^ -0.0200^ 3.00^ 77.0^ 78.0^ 78.0^ 6.00^ 4.00^ 6.00^ 8.00^ 11.

Mode 20.0^ 1.69^ 3.97^ 96.0^ 78.0^ 94.0^ 1.00^ 4.00^ 6.00^ 14.0^ 18.

Standard deviation

Skewness 2.85^ 0.0120^ 0.0120^ 0.0179^ -0.0331^ -0.0153^ 0.796^ 0.00375^ 0.0137^ -0.0315^ -0.

Std. error skewness

Plots

Age

GPA (z)

History Exam Score

Chemistry Exam Score

Sleep

Alcohol Intake