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About

Intro Page

This applet demonstrates what happens when many samples are taken repeatedly from a population of fixed normal distribution.

1. Choose the mean and standard deviation of the population.

2. Choose the sample size and number of samples you wish to take.

3. Press "play". The applet will generate the random samples and keep a tally of their means.

4. Click on the checkbox to see another Gaussian curve. Try and adjust its mean and standard deviation to determine the best fit for the histogram. (Note: y-values are scaled so that the curve's height is comparable to the histogram's.)

 

Software Requirements

SoftwareRequirements


Android iOS Windows MacOS
with best with Chrome Chrome Chrome Chrome
support full-screen? Yes. Chrome/Opera No. Firefox/ Samsung Internet Not yet Yes Yes
cannot work on some mobile browser that don't understand JavaScript such as.....
cannot work on Internet Explorer 9 and below

 

Credits

Boon Leong Ng; Francisco Esquembre

end faq

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Article ID: 132
Article Category ID: 109
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Tags
  • Primary
  • Junior College
  • Mathematics
  • EasyJavaScriptSimulation
  • Android/iOS including handphones/Tablets/iPads
  • Windows/MacOSX/Linux including Laptops/Desktops
  • ChromeBook Laptops
  • Probability and Statistics
  • Probability
  • Discrete random variables
  • Normal distribution
  • Sampling
  • Statistics
  • Simulations