student_id,hours_studied,sleep_hours,attendance_percent,previous_scores,exam_score
S001,8.0,8.8,72.1,45,30.2
S002,1.3,8.6,60.7,55,25.0
S003,4.0,8.2,73.7,86,35.8
S004,3.5,4.8,95.1,66,34.0
S005,9.1,6.4,89.8,71,40.3
S006,8.4,5.1,58.5,75,35.7
S007,10.8,6.0,54.2,88,37.9
S008,2.0,4.3,75.8,55,18.3
S009,5.6,5.9,81.6,84,NaN
S010,1.3,8.9,66.8,70,24.7
S011,3.4,5.3,90.9,81,29.3
S012,6.6,7.9,87.6,85,35.1
S013,1.3,6.3,83.6,71,31.2
S014,3.2,6.1,61.2,68,30.2
S015,8.1,8.8,60.0,90,41.1
S016,7.0,9.0,51.2,41,34.1
S017,3.4,6.8,62.2,45,28.9
S018,7.5,7.6,73.8,58,36.3
S019,9.9,4.8,92.5,54,35.6
S020,1.1,5.5,53.6,65,17.1
S021,9.9,8.8,70.7,84,46.0
S022,8.7,6.9,81.5,55,36.1
S023,4.7,6.7,59.7,59,29.6
S024,2.7,7.7,84.8,82,35.9
S025,11.5,4.3,74.7,77,39.2
S026,4.7,6.9,62.2,63,30.0
S027,2.0,6.5,82.8,70,29.0
S028,2.1,8.3,50.3,75,26.5
S029,10.3,4.8,87.5,73,37.2
S030,7.6,8.8,88.5,62,36.2
S031,9.9,4.4,55.3,67,34.5
S032,9.0,4.9,71.3,87,41.6
S033,6.9,7.0,58.8,75,38.1
S034,11.7,7.4,97.9,61,42.7
S035,5.2,5.2,75.9,62,32.0
S036,7.1,4.6,52.5,84,32.0
S037,10.1,8.5,62.5,69,44.7
S038,7.8,5.2,92.4,57,38.3
S039,10.5,7.0,72.8,59,39.8
S040,7.4,7.1,90.1,56,35.0
S041,8.8,6.1,83.4,54,34.2
S042,1.5,6.9,99.4,47,23.1
S043,3.5,6.6,79.8,86,37.2
S044,4.2,8.7,97.5,52,30.3
S045,1.9,5.0,94.6,60,26.1
S046,3.6,7.6,80.6,47,31.8
S047,2.1,5.2,86.0,87,31.6
S048,4.1,6.0,75.2,74,31.1
S049,8.0,7.4,91.5,88,41.2
S050,5.0,5.5,77.4,84,30.6
S051,5.1,5.6,94.9,51,28.8
S052,3.3,7.8,87.2,52,30.7
S053,3.9,4.4,73.7,53,26.9
S054,11.3,6.3,63.0,87,46.4
S055,8.1,9.0,62.4,70,34.4
S056,7.7,9.0,81.9,57,37.0
S057,2.9,4.4,88.3,86,35.2
S058,9.0,5.1,76.1,77,38.2
S059,2.8,5.3,81.3,88,33.0
S060,5.2,8.7,63.7,73,29.2
S061,11.9,8.4,53.9,78,48.6
S062,8.0,8.4,64.3,58,36.1
S063,7.1,5.8,63.6,46,27.1
S064,8.5,4.8,66.0,93,36.1
S065,10.3,8.2,77.0,52,39.5
S066,9.5,7.5,56.9,58,36.7
S067,3.5,7.1,61.6,54,21.7
S068,1.4,8.9,84.7,63,32.2
S069,4.5,7.3,85.3,51,33.5
S070,3.9,4.0,53.2,59,23.9
S071,3.3,8.1,70.4,40,20.8
S072,11.4,5.5,77.1,85,47.9
S073,10.6,7.3,70.8,74,41.9
S074,4.5,8.7,60.3,48,29.5
S075,8.2,4.7,71.0,57,33.5
S076,5.4,4.6,95.2,42,26.3
S077,11.1,4.5,79.2,43,39.9
S078,6.0,6.8,84.8,75,40.3
S079,3.9,5.4,92.8,58,26.5
S080,3.7,7.0,88.3,84,34.2
S081,7.2,7.6,69.0,48,30.8
S082,3.9,5.0,50.3,80,32.4
S083,7.4,7.2,67.6,95,39.8
S084,10.9,5.3,87.7,88,48.9
S085,5.4,6.4,92.7,71,38.0
S086,3.4,8.5,97.7,46,26.5
S087,12.0,8.2,71.0,95,51.3
S088,6.6,4.5,87.4,40,28.6
S089,2.0,6.1,77.3,76,32.1
S090,1.5,5.4,80.2,58,23.9
S091,2.2,4.0,61.0,70,27.3
S092,7.9,7.9,61.0,70,34.0
S093,9.7,7.2,71.8,68,37.5
S094,5.6,5.3,51.5,61,29.1
S095,1.7,7.7,66.8,51,28.1
S096,5.2,6.8,84.0,43,28.7
S097,12.0,6.1,70.2,56,36.9
S098,6.8,4.0,58.3,95,36.0
S099,11.7,4.4,73.4,70,39.9
S100,10.5,8.4,56.4,47,37.1
S101,1.1,8.5,81.1,92,31.4
S102,8.9,6.7,51.3,44,31.3
S103,8.5,8.2,69.7,65,35.7
S104,6.9,6.9,78.2,71,32.6
S105,3.9,4.7,51.4,44,24.1
S106,8.1,4.6,82.1,76,38.2
S107,2.2,5.5,56.8,80,23.7
S108,5.8,8.5,73.1,83,39.2
S109,6.0,8.0,52.5,43,23.2
S110,11.5,8.3,69.0,49,42.2
S111,10.6,8.5,60.6,49,39.6
S112,3.9,5.1,66.3,91,34.8
S113,6.5,5.2,88.1,76,34.6
S114,3.0,4.5,69.0,59,26.4
S115,11.0,7.9,87.6,45,43.1
S116,10.6,8.4,91.6,55,46.4
S117,4.3,6.0,62.6,47,25.2
S118,8.0,7.1,54.1,75,31.3
S119,7.7,4.8,51.0,88,35.8
S120,2.7,8.6,77.0,66,29.8
S121,9.4,8.3,100.0,78,47.9
S122,6.9,8.9,67.5,78,40.9
S123,9.6,8.1,82.5,90,44.1
S124,6.8,8.4,89.1,79,39.3
S125,1.0,4.1,82.6,54,21.2
S126,4.6,7.7,87.7,89,38.6
S127,1.2,5.7,97.5,73,26.8
S128,11.2,8.7,60.0,64,42.7
S129,10.7,8.0,51.0,68,36.1
S130,10.1,8.3,57.6,68,39.2
S131,4.4,8.1,56.3,59,32.9
S132,1.6,5.3,83.5,95,28.8
S133,10.7,7.9,78.2,77,45.7
S134,11.4,4.5,60.9,67,40.8
S135,1.9,8.4,85.0,59,30.6
S136,6.3,8.3,88.3,76,41.1
S137,1.8,5.1,58.4,79,29.0
S138,9.4,8.1,80.4,43,35.1
S139,9.4,6.3,87.4,79,39.9
S140,2.4,5.5,55.7,87,29.9
S141,6.2,8.0,91.0,46,35.0
S142,7.0,5.1,98.2,88,43.3
S143,3.9,4.1,55.4,53,19.0
S144,10.6,5.0,51.3,80,35.1
S145,5.7,5.6,65.6,53,29.9
S146,3.3,8.3,83.9,56,33.0
S147,6.9,8.8,97.9,82,45.8
S148,9.0,5.4,69.8,45,35.5
S149,3.2,7.2,85.8,50,26.4
S150,4.4,6.0,53.8,55,21.9
S151,11.9,8.9,84.5,51,44.1
S152,8.1,6.7,81.4,75,42.3
S153,5.8,8.7,55.1,44,27.7
S154,6.7,4.6,88.6,50,33.4
S155,2.3,8.9,92.5,40,29.7
S156,3.5,4.9,80.0,66,23.6
S157,4.7,8.8,56.1,68,33.6
S158,7.5,5.3,99.2,84,37.9
S159,3.5,4.5,89.1,78,29.5
S160,3.4,6.2,67.4,70,24.7
S161,1.8,7.6,71.4,58,25.2
S162,7.9,5.6,68.5,42,31.4
S163,3.5,7.0,75.3,54,30.0
S164,11.0,6.6,67.1,58,35.8
S165,10.5,5.9,92.5,85,40.6
S166,1.8,6.9,91.1,58,30.1
S167,3.6,5.3,55.3,84,30.3
S168,8.4,7.5,98.0,95,42.0
S169,3.4,4.0,81.8,69,32.1
S170,2.5,8.6,91.4,44,22.8
S171,11.3,6.7,85.4,83,45.3
S172,7.3,7.6,71.8,54,31.0
S173,6.2,7.7,86.7,56,31.0
S174,9.6,7.4,98.3,90,40.9
S175,9.9,5.8,63.5,90,44.8
S176,3.1,4.3,90.4,80,34.4
S177,2.1,7.3,76.9,77,30.7
S178,5.7,5.7,74.2,82,31.0
S179,5.7,5.6,71.8,91,35.0
S180,6.1,8.2,86.6,52,31.4
S181,9.0,7.6,63.4,67,38.4
S182,8.4,5.5,92.6,47,36.1
S183,11.8,5.5,91.5,74,44.1
S184,2.1,6.0,54.3,54,19.4
S185,5.4,6.0,94.1,81,39.4
S186,4.7,5.5,62.2,49,22.9
S187,10.5,4.6,73.2,57,36.2
S188,3.7,6.1,80.5,92,33.4
S189,3.1,8.7,68.9,49,23.4
S190,5.9,7.4,51.4,44,28.0
S191,5.6,8.5,92.5,43,32.2
S192,4.1,7.1,59.1,50,30.7
S193,3.7,5.5,60.6,90,28.8
S194,11.2,6.7,89.9,59,46.7
S195,5.9,4.0,67.0,78,33.8
S196,10.5,5.4,94.0,87,42.7
S197,7.1,6.1,85.1,92,40.4
S198,1.6,6.9,63.8,76,28.2
S199,12.0,7.3,50.5,58,42.0
S200,10.2,6.3,97.4,68,37.8