FiFty AppliCAnts For A joB wErE givEn sCorEs From 1 to 5 on thEir intErviEw pErFormAnCE. thEir sCorEs ArE shown in thE tABlE ABovE. whAt wAs thE AvErAgE sCorE For thE group

sCorE	numBEr oFAppliCAnts
5	2
4	12
3	21
2	7
1	8

A、2.79
B、2.86
C、2.91
D、2.99
E、3.03