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Merge remote-tracking branch 'origin/0615题库新修订MAO'

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weiye.wang 2023-06-16 06:25:04 +08:00
parent 53a121604c baa1c34290
commit 5071ec065a
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题库0.3/Problems.json
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@ -535616,7 +535616,7 @@
},
"030567": {
"id": "030567",
"content": "假如女儿身高$y$(单位: $\\text{cm}$) 关于父亲身高$x$(单位: $\\text{cm}$)的经验回旧方程为$\\hat{y}=0.81 x+25.82$. 已知父亲身高为$175 \\text{cm}$, 请估计女儿的身高.",
"content": "假如女儿身高$y$(单位: $\\text{cm}$) 关于父亲身高$x$(单位: $\\text{cm}$)的经验回归方程为$\\hat{y}=0.81 x+25.82$. 已知父亲身高为$175 \\text{cm}$, 请估计女儿的身高.",
"objs": [],
"tags": [
"第九单元"
@ -535930,7 +535930,7 @@
"第九单元"
],
"genre": "解答题",
"ans": "认为乙种疗法的效果比甲种疗法更好($\\chi^2=4.888$, $P(\\text{治愈}|\\text{使用乙疗法})>P(\\text{治愈}|\\text{使用甲疗法})$)",
"ans": "认为乙种疗法的效果比甲种疗法更好($\\chi^2=4.881$, $P(\\text{治愈}|\\text{使用乙疗法})>P(\\text{治愈}|\\text{使用甲疗法})$)",
"solution": "",
"duration": -1,
"usages": [