Practice problem
Which is the formula for the standard of deviation?
A) σ=n∑(x−xˉ)2\sigma = n\sqrt{\sum{(x-\bar{x})^2}}σ=n∑(x−xˉ)2
B) σ=1n∑(x−xˉ)2\sigma = \frac{1}{n}\sqrt{\sum{(x-\bar{x})^2}}σ=n1∑(x−xˉ)2
C) σ=∑(x−xˉ)2n\sigma = \sqrt{\frac{\sum{(x-\bar{x})^2}}{n}}σ=n∑(x−xˉ)2
D) None of the above.
Type a concept, like “slope” or “photosynthesis”.
