# Inferential Statistics

Having a solid understanding of the scientific method and how to study a small sample of data in order to make decisions about an entire population is what usually separates excellent Continuous Improvement Practitioners from average ones. In the next series of videos we really dig into topics such as hypothesis testing and normality. Finally, you will never need to use ALL of these tools in a single project... but it's still important you understand the tool allowing you to use it when the time is right.

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Log In## 1-Proportion Test

In this video you'll learn how to use the 1-Proportion Test in order to determine whether a Population Proportion is equal to a Hypothesized Value.

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- Inferential Statistics Overview and Sampling 6:28
- Sampling Within Minitab 19 03:05
- Sampling within Minitab 18 03:41
- Hypothesis Testing Overview 9:54
- Normality 9:39
- Creating Normality Plots In Minitab 19 01:19
- Creating Normality Plots in Minitab 18 04:28
- Creating Normality Plots in SigmaXL 3:03
- Central Limit Theorem 9:35
- The Z-Score 8:59
- The Z-Score in SigmaXL 6:21
- Creating Run Charts 5:28
- Creating Run Charts In Minitab 19 03:05
- Creating Run Charts in Minitab 18 04:38
- Creating Run Charts in SigmaXL 1:45
- 1-Sample t-Test 6:30
- Conducting a 1-Sample T-Test In Minitab 19 02:49
- Conducting a 1-Sample t-Test in Minitab 18 05:35
- Conducting a 1-Sample t-Test in SigmaXL 2:48
- 2 Variances Test 8:55
- Conducting a 2 Variances Test In Minitab 19 07:06
- Conducting a 2 Variances Test in Minitab 18 10:06
- Conducting a 2 Variances Test in SigmaXL 3:18
- 2 Sample t-Test 7:43
- Creating a 2 Sample T-Test in Minitab 19 03:29
- Creating a 2 Sample t-Test in Minitab 18 06:01
- Creating a 2 Sample t-Test in SigmaXL 2:57
- Paired t-Test 6:50
- Conducting A Paired T-Test In Minitab 19 03:06
- Conducting a Paired t-Test in Minitab 18 07:20
- Conducting a Paired t-Test in SigmaXL 4:37
- 1-Proportion Test 4:48
- Conducting a 1-Proportion Test In Minitab 19 03:38
- Conducting a 1-Proportion Test in Minitab 18 04:43
- 2 Proportions Test 6:08
- Conducting a 2 Proportions Test In Minitab 19 03:25
- Conducting a 2 Proportions Test in Minitab 18 05:15
- Conducting a 2 Proportions Test in SigmaXL 2:44
- Chi Square Test 9:49
- Conducting a Chi Square Test In Minitab 19 02:43
- Creating a Chi Square Test in Minitab 18 04:13
- Creating a Chi Square Test in SigmaXL 2:14
- 1 Sample Sign Test 4:15
- Conducting a 1 Sample Sign Test In Minitab 19 01:22
- Conducting a 1 Sample Sign Test in Minitab 18 02:48
- Conducting a 1 Sample Sign Test in SigmaXL 1:40
- Mann-Whitney Test 5:12
- Conducting a Mann-Whitney Test In Minitab 19 03:26
- Conducting a Mann-Whitney Test in Minitab 3:40
- Conducting a Mann-Whitney Test in SigmaXL 4:59