某超市计划招聘一名收银员,下表是三名应聘者的素质测试成绩,超市根据实际需要,对电脑操作、商品知识、 某超市计划手机比去年增加12%,实际比计划增加了20%。今年...
\u67d0\u8d85\u5e02\u8ba1\u5212\u62db\u8058\u4e00\u540d\u6536\u94f6\u5458,\u5bf9\u4e09\u540d\u7533\u8bf7\u4eba\u8fdb\u884c\u4e86\u738b\uff1a66 \u5b5974.5 \u674e 65
\u5c0f\u5b59\u6210\u7ee9\u6700\u597d\u3002
133.4%\u3002
\u5206\u6790\u8fc7\u7a0b\u5982\u4e0b\uff1a
\uff081\uff09\u5047\u8bbe\u53bb\u5e74\u7684\u4e3a1\u3002
\uff082\uff09\u6839\u636e\u67d0\u8d85\u5e02\u8ba1\u5212\u624b\u673a\u6bd4\u53bb\u5e74\u589e\u52a012%\uff0c\u5219\u8ba1\u5212\u7684\u4e3a\uff081+12%\uff09\u3002
\uff083\uff09\u6839\u636e\u5b9e\u9645\u6bd4\u8ba1\u5212\u589e\u52a0\u4e8620%\uff0c\u53ef\u5f97\u5b9e\u9645\u7684\u4e3a\uff081+12%\uff09\uff081+20%\uff09\u3002
\uff084\uff09\uff081+12%\uff09\uff081+20%\uff09=1.334\u3002
\uff085\uff09\u4eca\u5e74\u5b9e\u9645\u9500\u552e\u7684\u6570\u91cf\u662f\u53bb\u5e74\u7684\u767e\u5206\u4e4b\u51e0\u7684\u6570\u5b66\u8868\u8fbe\u5f0f\uff1a1.334/1=133.4%\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u767e\u5206\u6570\u4e0e\u5c0f\u6570\u7684\u4e92\u5316
\uff081\uff09\u767e\u5206\u6570\u5316\u5c0f\u6570\uff1a\u53bb\u6389\u767e\u5206\u53f7\uff0c\u5c0f\u6570\u70b9\u5de6\u79fb\u4e24\u4f4d\u3002\u5982\uff1a75%\u53ef\u5316\u4e3a0.75
\uff082\uff09\u5c0f\u6570\u5316\u767e\u5206\u6570\uff1a\u52a0\u4e0a\u767e\u5206\u53f7\uff0c\u5c0f\u6570\u70b9\u53f3\u79fb\u4e24\u4f4d\u3002\u5982\uff1a0.62\u53ef\u5316\u4e3a62%
\u8bf4\u660e\uff1a100%=1.00=1
\u767e\u5206\u6570\u4e0e\u5206\u6570\u7684\u4e92\u5316
\uff081\uff09\u767e\u5206\u6570\u5316\u5206\u6570\uff1a\u628a\u767e\u5206\u6570\u5199\u6210\u5206\u6bcd\u662f100\u7684\u5206\u6570\uff0c\u518d\u7ea6\u5206\u5316\u7b80\u3002
\u6ce8\u610f\uff1a\u5f53\u767e\u5206\u6570\u7684\u5206\u5b50\u662f\u5c0f\u6570\u65f6\uff0c\u8981\u5148\u628a\u5206\u5b50\u5316\u6210\u6574\u6570\u3002
\uff082\uff09\u5206\u6570\u5316\u767e\u5206\u6570\uff1a\u7528\u5206\u5b50\u9664\u4ee5\u5206\u6bcd\uff0c\u5316\u6210\u5c0f\u6570\u540e\uff0c\u518d\u5316\u6210\u767e\u5206\u6570\u3002
70×5+50×3+80×2 |
5+3+2 |
乙的平均数是:
90×5+75×3+35×2 |
5+3+2 |
丙的平均数是:
65×5+55×3+80×2 |
5+3+2 |
∴乙成绩最好.
故答案为乙.
绛旓細杩欎釜搴旇鏄悎娉曠殑锛岄鍏堝崟浣嶈鏍规嵁宸ヤ綔鐨勬椂闂村強宸ヤ綔绋嬪害鏉ヨ鍛樺伐鍘讳紤鍋囷紝姣斿璇存槦鏈熷叚鏄熸湡鏃ユ湰鏉ヤ汉灏卞锛屽鏋滀綘浠兘鎯充紤鎭殑璇濓紝杩欎釜瓒呭競灏辨棤娉曡繍琛岋紝鎵浠ヨ杩欎釜搴旇鏄甯哥殑
绛旓細鍙畻璧电殑锛(70*4+50*3+80*2)/(4+3+2)=65.55
绛旓細宀椾綅鑱岃矗:鍏ㄩ潰璐熻矗瓒呭競鐨勭粡钀ョ鐞嗗伐浣,璐熻矗鍚戦泦鍥㈠叕鍙搁瀵兼眹鎶ュ伐浣,鎺ュ彈鐩戠潱,鍒惰骞村害缁忚惀璁″垝鍜岀鐞嗙洰鏍...浼佷笟鎷涜仒闈炲父鎱庨噸,闄や簡涓ユ牸鐨勬嫑鑱樺拰閫夋嫈绋嬪簭澶,鍦ㄥ姵鍔ㄥ悎鍚岀殑绛惧畾涓,浼佷笟涔熷線寰涓鸿繖浜涘矖浣嶇殑鏂板憳宸ヨ缃...鍒颁簡瓒呭競浠ュ悗,鎴戝氨鐩存帴鎸戦夎姳鐢熺背,鐢ㄩ摬瀛愮洓浜嗕笁閾茶鍦ㄥ鏂欒閲,鐒跺悗鍘鏀堕摱鍙扮О閲嶄氦閽,涓鍏辨槸涔濆厓...
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绛旓細灏忕帇:(70*5+50*3+80*2)/100=66 灏忓瓩:(90*5+75*3+35*2)/100=74.5 灏忔潕:(65*5+55*3+80*2)/100=65 鎵浠ュ皬瀛欐垚缁╂渶濂