銆€銆€3.杞�(zhu菐n)鎻涙瘮鐜囧垎鏋愭硶锛氭槸鏍规摎(j霉)閬庡幓鐨勬キ(y猫)鍕�(w霉)娲诲嫊(d貌ng)閲忔按骞筹紝瑷�(j矛)绠楀嚭姣忎竴妤�(y猫)鍕�(w霉)娲诲嫊(d貌ng)閲忔墍闇€鐨勪汉鍝＄殑鐩告噳(y墨ng)澧為噺锛屽啀鎶婂皪(du矛)瀵�(sh铆)鐝�(xi脿n)鏈締鐩(bi膩o)鐨勬キ(y猫)鍕�(w霉)娲诲嫊(d貌ng)澧為噺鎸夎▓(j矛)绠楀嚭鐨勬瘮渚嬮棞(gu膩n)绯�锛屾姌绠楁垚绺界殑浜哄摗闇€姹傚閲�锛屾渶鍚庢妸绺界殑浜哄摗闇€姹傞噺鎸夋瘮渚嬫姌绠楁垚鍚勯浜哄摗鐨勯渶姹傞噺銆�

銆€銆€渚嬭鏇窹207銆�

銆€銆€绗竴姝ワ細姝峰彶妤�(y猫)鍕�(w霉)閲忚垏浜哄摗澧為噺闂�(gu膩n)绯伙細姣忓鍔�1000钀厓閵烽闇€澧�15浜�;

銆€銆€绗簩姝ワ細闋�(y霉)娓�(c猫)妤�(y猫)鍕�(w霉)澧為噺(1鍎勫厓)鑸囬渶澧炰汉鏁�(sh霉)锛�1鍎�/1000钀�*15=150浜�;

銆€銆€绗笁姝ワ細鎸夋瘮渚嬬⒑瀹氭瘡涓€妤�(y猫)鍕�(w霉)鐨勪汉鍝″閲忥細

銆€銆€鍥�?y脿n)妞嬫睏鑺炬仛杞癗鍞細鍚庡嫟=1锛�5锛�2(宸茬煡)

銆€銆€绠＄悊 +閵峰敭 +鍚庡嫟=150浜�

銆€銆€鎵€浠ワ細绠＄悊浜哄摗澧為噺鐐猴細150☓(1/8)=18.75,鍗�19浜�,

銆€銆€閵峰敭浜哄摗澧為噺鐐�: 150☓(5/8)=94浜�

銆€銆€鍚庡嫟浜哄摗澧為噺鐐�: 150☓(28)=37

銆€銆€瑭叉柟娉曠殑闂�(gu膩n)閸甸粸(di菐n)鏄壘鍑轰紒妤�(y猫)妤�(y猫)鍕�(w霉)澧為噺鑸囦汉鍔涜硣婧愬閲忓拰浼佹キ(y猫)涓婚珨浜哄摗鑸囪紨鍔╀汉鍝＄殑姣斾緥闂�(gu膩n)绯�,鐢辨鎵嶈兘鎺ㄦ柗鍑轰紒妤�(y猫)鍚勯浜哄摗鐨勯渶姹傞噺. 杞�(zhu菐n)鑷挵(hu谩n)鐞冪恫(w菐ng)鏍du24ol.com

銆€銆€鍐嶄緥锛歅236闋佺1椤�

銆€銆€瑙ｏ細(5000/1000)☓20=100浜�

銆€銆€100☓(6/(1+6+2))=100☓(6/9)=67浜�銆�

銆€銆€4.鍥炴鍒嗘瀽娉�

銆€銆€浜哄姏璩囨簮鐨勯渶姹傞噺(Y)閫氬父绺芥槸鍜屾煇鍊�(g猫)(涓€鍏�)鎴栨煇浜涘洜绱�(澶氬厓)(X)楂樺害鐩搁棞(gu膩n)锛屽湪閫欑ó鎯呮硜涓嬪氨鍙互鐢ㄦ暩(sh霉)鐞嗙当(t菕ng)瑷�(j矛)鐨勬柟娉曞畾閲忓湴鎶婇€欑ó闂�(gu膩n)绯昏〃绀哄嚭渚嗭紝寰楀埌涓€鍊�(g猫)鍥炴鏂圭▼锛屽啀鍒╃敤姝ゆ柟绋嬪氨鍙爯(y霉)娓�(c猫)鍑轰汉鍔涜硣婧愮殑闇€姹傞噺銆傞€欎竴鏂规硶鐨勯棞(gu膩n)閸靛湪浜庢壘鍑鸿垏浜哄姏璩囨簮闇€姹傞珮搴︾浉闂�(gu膩n)鐨勮畩閲�銆�

銆€銆€涓€鍏冪窔鎬у洖姝稿垎鏋愭硶鐨勬椹燂細

銆€銆€棣栧厛锛屽埄鐢ㄦ墍绲﹁硣鏂欐暩(sh霉)鎿�(j霉)纰哄畾鍥炴鏂圭▼Y=a+bX涓殑鍥炴绯绘暩(sh霉)a鑸嘼锛屽叾涓紝

銆€銆€Xi鐐鸿嚜璁婇噺绗琲鏈熺殑瀵�(sh铆)闅涘€�锛孻i鐐哄洜璁婇噺绗琲鏈熺殑瀵�(sh铆)闅涘€�

銆€銆€姣斿锛孭208闋佺殑渚嬪瓙涓�锛屽晢鍫存墍闇€閵峰敭浜哄摗灏卞拰閵峰敭椤嶉珮搴︽鐩搁棞(gu膩n)锛屾墍浠ラ姺鍞灏辨垚鐐鸿嚜璁婇噺X锛屾墍闇€閵峰敭浜哄摗灏辨槸瑕侀爯(y霉)娓�(c猫)鐨勯噺鐐哄洜璁婇噺Y锛屼簩鑰呯殑闂�(gu膩n)绯诲彲瀵偤锛歒 = a + bx,閫欐檪(sh铆)锛屽氨闇€瑕佸埄鐢╝銆乥鐨勪笂杩板叕寮忔眰鍑篴鍜宐(涓€鑸厛姹俠锛屽啀鏍规摎(j霉)b姹俛)

銆€銆€n=7,b=(114760-7×469×34)/(1645600-7×4692)=3138/105873=0.03

銆€銆€a=34-0.03×469=19.93

銆€銆€鍏舵锛屽鍑轰互a銆乥鐨勫叿楂旀暩(sh霉)鍊艰〃绀虹殑鍥炴鏂圭▼锛屽Y=19.93+0.03X

銆€銆€鏈€鍚庯紝鐢ㄤ笂杩板洖姝告ā鍨�(鏂圭▼)閫�(j矛n)琛岄爯(y霉)娓�(c猫)銆傛瘮濡傦紝鐣�(d膩ng)閵峰敭椤峏鐐�1000钀厓鏅�(sh铆)锛屾墍闇€閵峰敭浜哄摗鏁�(sh霉)Y=19.93+0.03×1000=50浜�銆�

銆€銆€(05骞磋€�)鏌愬ぇ鍨嬬櫨璨ㄥ晢鍫村洜鎿�(ku貌)澶х稉(j墨ng)鐕熻(gu墨)妯★紝闇€瑕佸皪(du矛)澶栨嫑鑱樼嚐妤�(y猫)鍝�銆傛牴鎿�(j霉)姝峰彶鏁�(sh霉)鎿�(j霉)鍒嗘瀽寰楃煡锛岀嚐妤�(y猫)鍝℃暩(sh霉)閲忚垏鍟嗗牬鐕熸キ(y猫)瑕�(gu墨)妯℃垚绶氭€х浉闂�(gu膩n)闂�(gu膩n)绯�锛屽洖姝哥郴鏁�(sh霉)a銆乥鍒嗗垾鐐�25.12銆�10.25銆傚幓骞村晢鍫村(sh铆)鐝�(xi脿n)鐕熸キ(y猫)椤�10鍎勫厓锛屾湁鐕熸キ(y猫)鍝�120鍚�銆備粖骞村晢鍫磋▓(j矛)鍔冨(sh铆)鐝�(xi脿n)鐕熸キ(y猫)椤�12鍎�銆�

銆€銆€璜�(q菒ng)鏍规摎(j霉)涓婅堪璩囨枡锛屽洖绛斾笅鍒楀晱椤岋細

銆€銆€89.浠婂勾鍟嗗牬闇€瑕佹嫑鑱樻柊鐕熸キ(y猫)鍝�( )鍚�銆�

銆€銆€A.24 B.29

銆€銆€C.35 D.39

銆€銆€Y=25.12+10.25X, 鎶奨=12鍎勪唬鍏ユ柟绋�锛孻=25.12+10.25×12=148.12,

銆€銆€149-120=29

銆€銆€91.濡傛灉鍊肩彮缍�(j墨ng)鐞嗚垏鐕熸キ(y猫)鍝＄殑姣斾緥闂�(gu膩n)绯荤偤1锛�30锛岄偅涔堣┎鍟嗗牬浠婂勾鍏遍渶瑕�( )鍚嶅€肩彮缍�(j墨ng)鐞�銆�

銆€銆€A.4 B.5

銆€銆€C.6 D.7

銆€銆€149/30=5

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