From c775e37f8b5dae2f91eaf893c631e803e582198b Mon Sep 17 00:00:00 2001 From: benjas <909336740@qq.com> Date: Tue, 17 Nov 2020 07:54:34 +0800 Subject: [PATCH] =?UTF-8?q?Add=20t=E6=A3=80=E9=AA=8C=E5=BA=94=E7=94=A8?= =?UTF-8?q?=E6=9D=A1=E4=BB=B6?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../假设检验-checkpoint.ipynb | 30 +++++++++++++++++- .../assets/20201117073547.png | Bin 0 -> 20685 bytes .../assets/20201117075130.png | Bin 0 -> 38237 bytes .../假设检验章节/假设检验.ipynb | 30 +++++++++++++++++- 4 files changed, 58 insertions(+), 2 deletions(-) create mode 100644 notebook_必备数学基础/假设检验章节/assets/20201117073547.png create mode 100644 notebook_必备数学基础/假设检验章节/assets/20201117075130.png diff --git a/notebook_必备数学基础/假设检验章节/.ipynb_checkpoints/假设检验-checkpoint.ipynb b/notebook_必备数学基础/假设检验章节/.ipynb_checkpoints/假设检验-checkpoint.ipynb index 8520d26..452b588 100644 --- a/notebook_必备数学基础/假设检验章节/.ipynb_checkpoints/假设检验-checkpoint.ipynb +++ b/notebook_必备数学基础/假设检验章节/.ipynb_checkpoints/假设检验-checkpoint.ipynb @@ -603,8 +603,9 @@ "建立检验假设,确定检验水准\n", "
H0:μ1=μ2;H1:μ1≠μ2;α=0.05\n", "
计算检验统计量\n", + "
由原数据算得:\n", "$$\n", - "由原数据算得: n_1=12, \\sum X_1=182.5,\\sum X_1^2=2953.43,n_2=13,\\sum X_2=141.0,\n", + "n_1=12, \\sum X_1=182.5,\\sum X_1^2=2953.43,n_2=13,\\sum X_2=141.0,\n", "\\sum X_2^2=1743.16, \\overline{X}_1=\\sum X_1/n_1=182.5/12=15.21, \n", "\\overline{X}_2/n_2=14.16/13=10.85\n", "$$\n", @@ -618,6 +619,33 @@ "$$" ] }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## T检验应用条件\n", + "