Confidence intervals
Confidence intervals give us a range of plausible values for some unknown value based on results from a sample. This topic covers confidence intervals for means and proportions.
This course contains 4 segments:
Introduction to confidence intervals
Estimating a population proportion
A confidence interval for a proportion estimates what percent of a population fits some category based on a results from a sample. For example, if 70 adults own a cell phone in a random sample of 100 adults, we can be fairly confident that the true percentage in the population is somewhere between 61% and 79%. Go through this tutorial to learn how to calculate confidence intervals like this.
Estimating a population mean
A confidence interval for a mean estimates a population mean based on the results from a sample. Go through this tutorial to learn how to calculate confidence intervals using sample mean and sample standard deviation.
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| Length | 4 segments |
| Starts | On Demand (Start anytime) |
| Cost | Free |
| From | Khan Academy |
| Download Videos | On all desktop and mobile devices |
| Language | English |
| Subjects | Mathematics Data Science |
| Tags | Math Statistics and probability |
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| Rating | Not enough ratings |
|---|---|
| Length | 4 segments |
| Starts | On Demand (Start anytime) |
| Cost | Free |
| From | Khan Academy |
| Download Videos | On all desktop and mobile devices |
| Language | English |
| Subjects | Mathematics Data Science |
| Tags | Math Statistics and probability |
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