added graph for scatter plot

quiz/templates/upload.html

@@ -59,7 +59,7 @@
          <br><br>
 
       </form>
-
+            <a href='/instructor?quiz_id=0'>For analysis</a>
       <br><h1></h1>
 
    </body>

quiz/views.py

@@ -12,6 +12,8 @@ from .models import quiz
 from django.db.models import Max
 from django.shortcuts import redirect
 from .models import result as results
+import numpy as np
+from scipy.stats import norm
 import csv
 #for login
 from django.contrib.auth.models import User
@@ -147,7 +149,15 @@ def instructor(request):
     students = results.objects.all().filter(quizId=q_id).values('studentId')
     marks = results.objects.all().filter(quizId=q_id).values('marks')
     fig, ax = plt.subplots()
-    ax.scatter([1, 10], [5, 9])
+    allMarks=list()
+    for mark in marks:
+        allMarks.append(mark['marks'])
+    allStudents=list()
+    for student in students:
+        allStudents.append(student['studentId'])
+    std=np.std(allMarks)
+    mean=np.mean(allMarks)
+    ax.scatter(allMarks,allStudents)
     html_graph = mpld3.fig_to_html(fig)
     return render(request, 'instructor.html',{"graph": html_graph, "graph1": html_graph, "graph2": html_graph,'quiz_id':q_id})