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vivianna17 added to a playlist 5 months ago

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Z-statistics vs. T-statistics

Z-statistics vs. T-statistics

56,422 views

Prob 19 videos

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• 14:53 Add to

  Expected Value: E(X)

  Expected value of a random variable

  123,816 views
• 10:02 Add to

  Probability Density Functions

  Probability density functions for continuous random variables.

  196,718 views
• 9:49 Add to

  Central Limit Theorem

  Introduction to the central limit theorem and the sampling distribution of the mean

  70,258 views
• 15:15 Add to

  Standard Error of the Mean

  Standard Error of the Mean (a.k.a. the standard deviation of the sampling distribution of the sample mean!)

  65,557 views
• 14:28 Add to

  Sampling Distribution Example Problem

  Figuring out the probability of running out of water on a camping trip

  31,693 views
• 10:52 Add to

  Sampling Distribution of the Sample Mean

  The central limit theorem and the sampling distribution of the sample mean

  62,504 views
• 26:04 Add to

  Normal Distribution Excel Exercise

  (Long-26 minutes) Presentation on spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of tri...

  65,383 views

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vivianna17 added to a playlist 5 months ago

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Poisson Process 2

More of the derivation of the Poisson Distribution.

55,973 views

Prob 19 videos

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• 13:07 Add to

  Statistics: Standard Deviation

  Review of what we've learned. Introduction to the standard deviation.

  280,738 views
• 15:02 Add to

  Margin of Error 1

  Finding the 95% confidence interval for the proportion of a population voting for a candidate.

  25,718 views
• 14:03 Add to

  Confidence Interval 1

  Estimating the probability that the true population mean lies within a range around a sample mean.

  57,816 views
• 11:26 Add to

  Hypothesis Testing and P-values

  Hypothesis Testing and P-values

  81,508 views
• 11:01 Add to

  Poisson Process 1

  Introduction to Poisson Processes and the Poisson Distribution.

  98,713 views

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