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4 Tutorials that teach Confidence Intervals Using the T-Distribution
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Confidence Intervals Using the T-Distribution

Confidence Intervals Using the T-Distribution

Author: Ryan Backman
Description:

This lesson will explain finding a confidence interval with the t-distribution.

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TERMS TO KNOW
  • Confidence Interval

    An interval we are some percent certain (eg 90%, 95%, or 99%) will contain the population parameter, given the value of our sample statistic.

  • t-distribution

    A family of distributions similar to the standard normal distribution, except that they are fatter in the tails, due to the increased variability associated with using the sample standard deviation instead of the population standard deviation in the formula for the test statistic.