**Name/Notes** |
**Owner** |
**Created** |
**Size** |
**Views** |

μ _{1} : Mean of Non-Owners μ _{2} : Mean of Owners μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (without pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | 5.2857143 | 1.3776644 | 10.152953 | 3.8367213 | 0.0032 |
**Two sample T hypothesis test** | ynoschiffer | Oct 8, 2019 | 1KB | 5 |

μ _{1} : Mean of Population 1 μ _{2} : Mean of Population 2 μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (without pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | 0.72 | 0.65465218 | 44.1677 | 1.0998207 | 0.2774 |
**Two sample T summary hypothesis test** | d87128cb-dacb-4ae9-966d-24ab2ef90846-208448_d2l_snhumlp | Oct 6, 2019 | 1KB | 5 |

μ _{1} : Mean of Salary(male) μ _{2} : Mean of Salary(female) μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} > 0 (with pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | 21643.149 | 5577.3823 | 98 | 3.8805211 | <0.0001 |
**Two sample T hypothesis test** | ajfrasure | Sep 23, 2019 | 1KB | 7 |

μ _{1} : Mean of CC Debt where Gender=Male μ _{2} : Mean of CC Debt where Gender=Female μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (without pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | 822.91055 | 259.20721 | 290.85585 | 3.1747209 | 0.0017 |
**Two sample T hypothesis test**
Module 2 Two Sample t test | estepbauc27 | Sep 19, 2019 | 1KB | 10 |

μ _{1} : Mean of COURSE EVAL μ _{2} : Mean of PROF EVAL μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (with pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | -0.1688172 | 0.079843452 | 184 | -2.1143525 | 0.0358 |
**Two sample T hypothesis test** | gstalins | Aug 14, 2019 | 1KB | 20 |

μ _{1} : Mean of Miles where Payforfuel=N μ _{2} : Mean of Minutes where Payforfuel=Y μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 2 H _{A} : μ _{1} - μ _{2} < 2 (without pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | -10.743258 | 4.0201364 | 13.287367 | -3.169857 | 0.0036 |
**Two sample T hypothesis test** | haley.stone | Aug 8, 2019 | 1KB | 21 |

μ _{1} : Mean of Miles where Payforfuel=Y μ _{2} : Mean of Minutes where Payforfuel=N μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (without pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | -0.30422348 | 4.0668041 | 15.082592 | -0.074806526 | 0.9414 |
**Two sample T hypothesis test M7D2** | haley.stone | Aug 8, 2019 | 1KB | 18 |

μ _{1} : Mean of Population 1 μ _{2} : Mean of Population 2 μ _{1} - μ _{2} : Difference between two means (without pooled variances) **95% confidence interval results:**
Difference | Sample Diff. | Std. Err. | DF | L. Limit | U. Limit |
---|
μ_{1} - μ_{2} | 504 | 119.30353 | 46.307226 | 263.89743 | 744.10257 |
Sample | n | Mean | Std. Dev. |
---|
Population 1 | 25 | 2016 | 379.34153 | Population 2 | 25 | 1512 | 460.36218 |
**Two sample T summary confidence interval** | 57336054_ecollege_msumlp | Aug 5, 2019 | 2KB | 21 |

μ _{1} : Mean of Population 1 μ _{2} : Mean of Population 2 μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (without pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | 504 | 119.30353 | 46.307226 | 4.2245186 | 0.0001 |
Sample | n | Mean | Std. Dev. |
---|
Population 1 | 25 | 2016 | 379.34153 | Population 2 | 25 | 1512 | 460.36218 |
**Two sample T summary hypothesis test** | 57336054_ecollege_msumlp | Aug 5, 2019 | 2KB | 24 |

**Two sample T hypothesis test** | mkhalbert | Aug 5, 2019 | 174B | 21 |

**Two sample T hypothesis test** | isangsmith17 | Aug 4, 2019 | 174B | 16 |

μ _{1} : Mean of Age where Category = No μ _{2} : Mean of Age where Category = Yes μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (with pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | -0.17073171 | 3.3543861 | 121 | -0.050898048 | 0.9595 |
**Two sample T hypothesis test** | isangsmith17 | Aug 4, 2019 | 1KB | 15 |

μ _{1} : Mean of Age where Category = Yes μ _{2} : Mean of Age where Category = No μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (without pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | 0.17073171 | 3.578763 | 67.843636 | 0.047706906 | 0.9621 |
**Two sample T hypothesis test** | isangsmith17 | Aug 4, 2019 | 1KB | 16 |

μ _{1} : Mean of Age where Category = Yes μ _{2} : Mean of Age where Category = No μ _{1} - μ _{2} : Difference between two means H _{0} : μ _{1} - μ _{2} = 0 H _{A} : μ _{1} - μ _{2} ≠ 0 (without pooled variances) **Hypothesis test results:**
Difference | Sample Diff. | Std. Err. | DF | T-Stat | P-value |
---|
μ_{1} - μ_{2} | 0.17073171 | 3.578763 | 67.843636 | 0.047706906 | 0.9621 |
**Two sample T hypothesis test** | isangsmith17 | Aug 4, 2019 | 1KB | 15 |

μ _{1} : Mean of Grants where Type=Public μ _{2} : Mean of Grants where Type=Private μ _{1} - μ _{2} : Difference between two means (without pooled variances) **95% confidence interval results:**
Difference | Sample Diff. | Std. Err. | DF | L. Limit | U. Limit |
---|
μ_{1} - μ_{2} | -6289.3254 | 807.61951 | 198.50012 | -7881.9405 | -4696.7103 |
**Two sample T confidence interval 22-b** | scotherman | Jul 30, 2019 | 1KB | 16 |