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

**Paired T hypothesis test: discussion board** | jdonle04 | Jul 30, 2019 | 174B | 11 |

**Paired T hypothesis test** | asmitaghosh | Jun 6, 2019 | 174B | 31 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between Time Before and Time After H _{0} : μ _{D} = 0 H _{A} : μ _{D} ≠ 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
Time Before - Time After | 1.4375 | 0.64557214 | 7 | 2.226707 | 0.0613 |
Differences stored in column, Differences.
**Paired T hypothesis test** | amorina07 | Jun 1, 2019 | 1KB | 29 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between Initial Depth, X_i and Depth Five Years Later, Y_i H _{0} : μ _{D} = 0 H _{A} : μ _{D} < 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
Initial Depth, X_i - Depth Five Years Later, Y_i | -3.9333333 | 1.2381886 | 5 | -3.1766834 | 0.0123 |
Differences stored in column, Differences.
**Paired T hypothesis test** | maciasr2555 | May 8, 2019 | 1KB | 33 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between Target and Walmart H _{0} : μ _{D} = 0 H _{A} : μ _{D} > 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
Target - Walmart | 5.0831313 | 2.5066807 | 98 | 2.0278336 | 0.0226 |
**Paired T hypothesis test** | rmills681 | May 3, 2019 | 1KB | 36 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between 2015 Deaths and 2016 Deaths H _{0} : μ _{D} = 0 H _{A} : μ _{D} ≠ 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
2015 Deaths - 2016 Deaths | -44.372549 | 11.012149 | 50 | -4.0294179 | 0.0002 |
**Paired T hypothesis test** | 56066775_ecollege_uarksso | Apr 29, 2019 | 1KB | 34 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between var1 and var2 **95% confidence interval results:**
Difference | Mean | Std. Err. | DF | L. Limit | U. Limit |
---|
var1 - var2 | 9.8888889 | 3.133353 | 8 | 2.6633639 | 17.114414 |
**Paired T confidence interval** | bborgi | Apr 24, 2019 | 968B | 35 |

**Paired T hypothesis test-tdistribution** | rev2932 | Apr 22, 2019 | 174B | 35 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between FemalePrices and MalePrices H _{0} : μ _{D} = 0 H _{A} : μ _{D} ≠ 0
Sample | n | Mean | Std. dev. |
---|
FemalePrices | 38 | 8.3421053 | 4.3012683 | MalePrices | 38 | 7.4392105 | 4.2092365 |
**Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
FemalePrices - MalePrices | 0.90289474 | 0.20618837 | 37 | 4.37898 | <0.0001 |
**Paired T hypothesis test-fullydonerazors** | rev2932 | Apr 22, 2019 | 2KB | 35 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between FemalePrices and MalePrices **95% confidence interval results:**
Difference | Mean | Std. Err. | DF | L. Limit | U. Limit |
---|
FemalePrices - MalePrices | 0.90289474 | 0.20618837 | 37 | 0.48511742 | 1.3206721 |
**Paired T 95%confidence interval for Gendered Razor Price Differences** | rev2932 | Apr 22, 2019 | 1.001B | 36 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between FemalePrices and MalePrices H _{0} : μ _{D} = 0 H _{A} : μ _{D} ≠ 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
FemalePrices - MalePrices | 0.90289474 | 0.20618837 | 37 | 4.37898 | <0.0001 |
Differences stored in column, Differences.
**Paired T hypothesis test-mean of gender razor price differences** | rev2932 | Apr 22, 2019 | 1KB | 38 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between FemalePrices and MalePrices H _{0} : μ _{D} = 0 H _{A} : μ _{D} ≠ 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
FemalePrices - MalePrices | 0.90289474 | 0.20618837 | 37 | 4.37898 | <0.0001 |
Differences stored in column, Differences.
**Paired T hypothesis test-RazorsPrices&Gender** | rev2932 | Apr 22, 2019 | 1KB | 31 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between FemalePrices and MalePrices H _{0} : μ _{D} = 0 H _{A} : μ _{D} ≠ 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
FemalePrices - MalePrices | 0.8946875 | 0.21295539 | 31 | 4.2012908 | 0.0002 |
Differences stored in column, Differences.
**Paired T hypothesis test** | rev2932 | Apr 22, 2019 | 1KB | 37 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between var2 and var3 H _{0} : μ _{D} = 0 H _{A} : μ _{D} ≠ 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
var2 - var3 | 5.075 | 0.38294992 | 39 | 13.252386 | <0.0001 |
**Paired T hypothesis test** | 56067184_ecollege_uarksso | Apr 19, 2019 | 1KB | 45 |

μ _{D} = μ _{1} - μ _{2} : Mean of the difference between Inches abs and CM abs H _{0} : μ _{D} = 0 H _{A} : μ _{D} ≠ 0 **Hypothesis test results:**
Difference | Mean | Std. Err. | DF | T-Stat | P-value |
---|
Inches abs - CM abs | -0.60660377 | 0.11593813 | 52 | -5.2321334 | <0.0001 |
**7 c) Paired T hypothesis test** | figueroa-bonillam | Mar 29, 2019 | 1KB | 48 |