1.Gender:

This bar chart shows that the number of male (1170) and female (1221) don't differ much to show any bias in the representation

2.Ethnicity:

This pie chart shows that the different ethnic communities of the population are represented proportionately.

3.Parental Education:

This pie chart shows the different background of parents and their percentage of the sample. The effect of this on GPA is shown below. 

4.Tutoring:

This pie chart shows that the different ethnic communities of the population are represented proportionately. The effect of tutoring on GPA is available further down.

5. Parental guidance:

This bar chart shows that the different degrees of parental guidance and the number of parents involved. The effect of their involvement in the GPA is given below

6.Age:

This pie chart shows the share of different age group of students. The average GPA by age group wise is given below.

7. Study Time ( Weekly):

This bar chart shows how many students spent how many hours studying.

8.Absense Pattern:

This pie chart shows that the different ethnic communities of the population are represented proportionately.

9. GPA Vs Number of students:

This histogram shows that the frequency distribution of GPA. Mean is 1.90 and mode is 1.75. Median is 1.89.Standard deviation is  0.91.

10. Significance of Study Time:

This scatter diagram shows the relation between Study Time (Weekly) to average GPA of students who studied that much time . As expected there is a positive correlation ( correlation coefficient : 0.92)

11. Effect of Parental guidance:

This scatter diagram shows the relation between degree of parental guidance to average GPA of students who received such guidance . As expected there is a positive correlation ( correlation coefficient : 0.99)

12. Absences:

This scatter diagram shows the relation between Absences to average GPA of students who were absent that much time . As expected there is a strong negative correlation ( correlation coefficient : -0.99)

13. Tutoring:

This bar chart shows the effect of Tutoring to average GPA of students . As expected there is a positive correlation ( correlation coefficient : 0.99)

14. Age

This bar chart shows what percentage( of a particular age group) of students got the given GPA . 

20% of the 18-year age group mode is 2.5 GPA followed by the 16-year group at 2 GPA.

The 15-year group has the highest standard deviation (wide spread).

15. Ethnicity:

This bar chart gives the frequency distribution of students of a particular ethnic group over the average GPA .

Based on mode, we can say that descending order of most diligent students are : Others, Asian, African-American followed by Caucasian.

It may be noted that the percentage of parents with higher education is generaly higher for non locals.