Search for tag: "hypothesis"
7.7 Example | Basic Statistics | Significance Tests | UvAIn this video Matthijs uses an example to discuss the important topics of this module. He shows how to test three hypotheses for a mean.
From Sander Birkhoff
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7.6 Type I and Type II errors | Basic Statistics | Significance Tests | UvAThis video explains type I and type II errors that can occur in significance testing. Matthijs explains what statistical power (the power of a hypothesis test) is and why it is important.
From Sander Birkhoff
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7.5 Significance test and confidence interval | Basic Statistics | Significance Tests | UvAThis video shows you that two methods of inferential statistics, confidence intervals and significance tests, are closely related.
From Sander Birkhoff
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7.4 Step-by-step plan for hypothesis testing | Basic Statistics | Significance Tests | UvAIn this video Matthijs guides you through a step-by-step plan that you can use for hypothesis testing (significance testing) for means and proportions.
From Sander Birkhoff
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7.3 Hypothesis test for means | Basic Statistics | Significance Tests | UvAIn this video Matthijs explains how to do a hypothesis test (significance test) for means.
From Sander Birkhoff
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7.2 Hypothesis test for proportions | Basic Statistics | Significance Tests | UvAIn this video Matthijs explains how to do a hypothesis test (or significance test) for proportions.
From Sander Birkhoff
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7.1 Hypotheses | Basic Statistics | Significance Tests | UvAThis video introduces you to statistical hypotheses, that form the main ingredient for significance tests. Matthijs explains the logic of null-hypothesis testing. This course consists of…
From Sander Birkhoff
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1.9 Controlling for other variables | Inferential Statistics | Comparing two groups | UvAThis video explains how you can take into account the effect of a control variable on the relation between the independent and dependent variable. Control variables discussed here are: confounder,…
From Sander Birkhoff
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1.8 Comparing two dependent means | Inferential Statistics | Comparing two groups | UvAThis video discusses how to compare two dependent groups on a quantitative variable using a paired sample t-test. You also learn how to calculate the corresponding confidence interval.
From Sander Birkhoff
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1.7 Comparing two dependent proportions | Inferential Statistics | Comparing two groups | UvAThis video explains how to compare two paired groups on a binary variable using a z-test for dependent proportions, called McNemar's test.
From Sander Birkhoff
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1.6 Comparing two independent means | Inferential Statistics | Comparing two groups | UvAThis video explains how to compare two independent groups on a quantitative variable, using a t-test for two independent means. You also learn how to calculate the corresponding confidence interval.
From Sander Birkhoff
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1.5 Comparing two independent proportions | Inferential Statistics | Comparing two groups | UvAThis video explains how to compare two independent groups on a categorical, binary variable using a z-test for two proportions. You also learn how to calculate the corresponding confidence interval.
From Sander Birkhoff
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1.4 Power of a hypothesis test | Inferential Statistics | Comparing two groups | UvAThis video discusses the power of statistical tests and how to determine and increase power.
From Sander Birkhoff
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1.3 Confidence intervals and two-sided tests | Inferential Statistics | Comparing two groups | UvAThis video explains the relation between null hypothesis testing (two sided tests) and confidence intervals.
From Sander Birkhoff
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1.2 P-values | Inferential Statistics | Comparing two groups | UvAThis video explains how you can calculate the p-value and how to use it, together with the significance level, to see if you can reject the null hypothesis.
From Sander Birkhoff
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1.1 Null hypothesis testing | Inferential Statistics | Comparing two groups | UvAThis video explains why a null hypothesis is necessary for statistical inference when comparing two groups. This course consists of six modules and each module has several videos. To find the…
From Sander Birkhoff
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