单选题
378.在WPS表格工作表中存放了第一中学和第二中学所有班级总计300个学生的考试成绩,A列到D列分别对应学校”、"班级"、"学号"、"成绩”
A
A.=SUMIFS(D2:D301,A2:A301,"第一中学",B2:B301,“3班")/COUNTIFS(A2:A301,"第一中学",B2:B301,"3班")
B
B.=SUMIFS(D2:D301,B2:B301,"3班")/COUNTIFS(B2:B301,"3班”)
C
C.=AVERAGEIFS(D2:D301,A2:A301,"第一中学”,B2:B301,"3班")
D
D.=AVERAGEIF(D2:D301,A2:A301,“第一中学”,B2:B301,“3 班")
答案解析
正确答案:C
