Confidence intervals videos

Confidence intervals and margin of error

Confidence interval simulation

Interpreting confidence level example

Margin of error 2

Confidence interval example

Margin of error 1

Critical value (z*) for a given confidence level

Conditions for valid confidence intervals for a proportion

Conditions for confidence interval for a proportion worked examples

Example constructing and interpreting a confidence interval for p

Determining sample size based on confidence and margin of error

Simulation showing value of t statistic

Introduction to t statistics

Confidence interval for a mean with paired data

Conditions for valid t intervals

Example constructing a t interval for a mean

Sample size for a given margin of error for a mean

T-statistic confidence interval

Small sample size confidence intervals