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The normal, or Gaussian, distribution has a density function that is a symmetrical bell-shaped curve. It is one of the most important distributions in statistics. Use the [normality-assumption] tag for asking about testing for normality.

2 votes

How large does the interval need to be?

For the second question just do: The cumulative distribution until 25 minus the cumulative distribution until 15. So answer would be 64,5% For the last question you need to know that on a normal …
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1 vote
1 answer
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How to compare 4 different normal random distributions

I am performing a study on individuals heights, comparing 4 different areas of my city. I want to calculate the probability of each of the 4 Areas being the tallest: Example: What is the probability …
Dedes's user avatar
  • 61