From c2b55f79f89c1b9ee9fad63d5574e58899ff131c Mon Sep 17 00:00:00 2001 From: benjas <909336740@qq.com> Date: Tue, 17 Nov 2020 22:19:29 +0800 Subject: [PATCH] =?UTF-8?q?Update=20=E5=81=87=E8=AE=BE=E6=A3=80=E9=AA=8C?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../假设检验章节/假设检验.ipynb | 26 +++++++++---------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/notebook_必备数学基础/假设检验章节/假设检验.ipynb b/notebook_必备数学基础/假设检验章节/假设检验.ipynb index 452b588..3f430ce 100644 --- a/notebook_必备数学基础/假设检验章节/假设检验.ipynb +++ b/notebook_必备数学基础/假设检验章节/假设检验.ipynb @@ -34,7 +34,7 @@ "metadata": {}, "source": [ "### 假设校验的基本思想\n", - "" + "" ] }, { @@ -130,7 +130,7 @@ "metadata": {}, "source": [ "### 左侧检验与右侧检验\n", - "" + "" ] }, { @@ -147,7 +147,7 @@ "cell_type": "markdown", "metadata": {}, "source": [ - "" + "" ] }, { @@ -202,7 +202,7 @@ "source": [ "### 总体均值检验\n", "什么时候用Z检验,什么时候用T检验\n", - "\n", + "\n", "一般是用T检验" ] }, @@ -320,10 +320,10 @@ "source": [ "这里是双侧,即二分之一α,1-α/2=0.975,查表\n", "
网上搜索:统计分布临界值\n", - "\n", + "\n", "

\n", "1.9+0.6=1.96,统计量为10.4比1.96大,意味着面积肯定小于1.96临界值(α/2)的面积\n", - "\n", + "\n", "根据双侧检验,若p值 < α/2,拒绝H0" ] }, @@ -366,7 +366,7 @@ "
-2.83在-1.96左侧,也就是p值的面积小于α/2,在α = 0.05的水平上拒绝H0\n", "
结论:\n", "
有证据表明新机床加工的零件的椭圆度与以前有显著差异\n", - "" + "" ] }, { @@ -394,7 +394,7 @@ "
2.4在1.645右侧,也就是p值的面积小于α,在α = 0.05的水平上拒绝H0\n", "
结论:\n", "
有证据表明新生产的灯泡的使用寿命有显著提高\n", - "" + "" ] }, { @@ -464,7 +464,7 @@ "metadata": {}, "source": [ "网上搜索:t分布临界值表\n", - "" + "" ] }, { @@ -514,7 +514,7 @@ "**实例1:**\n", "
\n", "有12名接种卡介苗的儿童,8周虐用两批不同的结核菌素,一批是标准结核菌素,一批是新制结核菌素,分别注射在儿童的前臂,两种结核菌素的皮肤浸润反应平均直径(mm)如表所示,问两种结核菌素的反应性有无差别。\n", - "" + "" ] }, { @@ -593,7 +593,7 @@ "**实例2:**\n", "
\n", "25例糖尿病患者随机分成两组,甲组单纯用药物治疗,乙组采用药物治疗合并饮食疗法,二个月后测空腹血糖(mmoL)如表所示,问两种疗法治疗后患者血糖值是否相同?\n", - "" + "" ] }, { @@ -641,9 +641,9 @@ "
  • 图示法:常用的图示法包括P-P图法和QQ图法。图中数据呈直线关系可认为呈正态分布,不呈直线关系可认为呈偏态分布\n", "
  • 偏度检验:主要计算偏度系数,H0O:G1=0,总体分布对称H1:G1#0,总体分布不对称\n", "\n", - "\n", + "\n", "
  • 峰值检验,主要计算峰度系数,H0: G2=0,总体分布为正态峰,H1:G2≠0,总体分布不是正态峰\n", - " " + " " ] }, {