Confidence intervals - simply explained

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In this video, we will learn how to calculate and interpret confidence intervals based on large samples or when the population standard deviation is known. Watch the video about the t-distribution to see how confidence intervals are calculated for small samples.
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Thank you so much for the amazing videos could you please share the video of the standard error that explains where the 68% comes from?

KidoLingo
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how can you know the standard deviation of the population when estimating the mean value of the population?

kalifalau
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When estimating the population mean using the sample mean and confidence intervals, why is it limited to 95%? why not do it so that we will have a 100% confidence interval?

jonathanrush