provide data set file

scripts/quiz/data.csv

@@ -0,0 +1,56 @@
+difficulty,start
+0.01,1
+0.02,0
+0.05,5
+0.07,10
+0.08,14
+0.1,20
+0.11,22
+0.13,27
+0.14,28
+0.16,30
+0.17,32
+0.18,34
+0.2,37
+0.21,39
+0.23,42
+0.25,43
+0.27,46
+0.3,50
+0.34,57
+0.35,64
+0.37,78
+0.39,89
+0.41,100
+0.44,112
+0.45,130
+0.48,147
+0.5,164
+0.52,180
+0.55,195
+0.58,209
+0.6,223
+0.61,236
+0.63,248
+0.64,259
+0.65,271
+0.67,284
+0.69,296
+0.7,308
+0.72,321
+0.73,333
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+0.78,359
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+0.84,408
+0.87,420
+0.88,435
+0.89,447
+0.9,458
+0.93,469
+0.94,483
+0.96,494
+0.97,500
+0.99,513