The standard normal curve - how to use
The standard normal curve - how to use
What is the standard normal curve?
The standard normal curve is a curve that can be generated by a function, an equation. It is bell-shaped, symmetrical, its mean is 0, and it has three standard deviations. The equation that creates the standard normal curve is:$$y={{1\overσ\sqrt{2π}}}e^{-{(χ-μ)^2}\over2σ^2}$$
How is the standard normal curve used
Normal distribution, use number 1. To describe, to organize dataNormal distribution, use number 2. Making statements of probability, betting
Normal distribution, use number 3. To make statements regarding the .........Next
reliability of a
single mean
Normal distribution, use number 4. To make statements regarding the reliability of the difference between two means
Important tip: Standard deviation 1.96 Percent of curve 95% Standard deviation 2.58 Percent of curve 99%
Always remember this.
Normal distribution, use number 4. To make statements regarding the reliability of the difference between two means
Important tip: Standard deviation 1.96 Percent of curve 95% Standard deviation 2.58 Percent of curve 99%
Always remember this.
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