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修正两道答案

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zhugemengtian 2024-03-19 12:45:07 +08:00
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commit ddcf3cec5d
1 changed files with 2 additions and 2 deletions
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题库0.3/Problems.json
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@ -417829,7 +417829,7 @@
"2023届高三-第二轮复习讲义-19-统计"
],
"genre": "解答题",
"ans": "(1) 女性样本离散程度较高, 男性样本数据的第$80$百分位数为$2.7$($\\%$); (2) $a=8$, 平均数约为$6.3$, 方差约为$41.3$; (3) 男性$2625$人, 女性$2375$人",
"ans": "(1) 女性样本离散程度较高, 男性样本数据的第$80$百分位数为$2.7$($\\%$); (2) $a=7$, 平均数约为$6.3$, 方差约为$41.3$; (3) 男性$2625$人, 女性$2375$人",
"solution": "",
"duration": -1,
"usages": [
@ -417968,7 +417968,7 @@
"2023届高三-第二轮复习讲义-19-统计"
],
"genre": "解答题",
"ans": "(1) $a=0.3$, $b=0.1$; (2) 甲离子残留百分比的平均值约为$4.05$($\\%$), 乙离子残留百分比的平均值约为$6$($\\%$)",
"ans": "(1) $a=0.35$, $b=0.1$; (2) 甲离子残留百分比的平均值约为$4.05$($\\%$), 乙离子残留百分比的平均值约为$6$($\\%$)",
"solution": "",
"duration": -1,
"usages": [