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.
More confidence interval videos
Here are even more videos on confidence intervals.
Get a Reminder
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 |
Get a Reminder
Similar Courses
Careers
An overview of related careers and their average salaries in the US. Bars indicate income percentile.
Associate Sample Coordinator $38k
E-commerce Sample Coordinator $52k
Sample Administration Specialist $53k
Population Management Educator $59k
Sample Accessioning Technician $65k
Sample Analyst $68k
Sample Maker $69k
Analyst, Population Health 1 $71k
Analyst, Population Health $78k
Senior Sample Analyst $84k
Population Geneticist $93k
Sample Management Scientist $106k
Write a review
Your opinion matters. Tell us what you think.
Please login to leave a review
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 |
Similar Courses
Sorted by relevance
Like this course?
Here's what to do next:
- Save this course for later
- Get more details from the course provider
- Enroll in this course