In statistics, what does a 'normal distribution' imply?

Practice Questions

Q1
In statistics, what does a 'normal distribution' imply?
  1. Data is uniformly distributed.
  2. Data is symmetrically distributed around the mean.
  3. Data has no outliers.
  4. Data is always positively skewed.

Questions & Step-by-Step Solutions

In statistics, what does a 'normal distribution' imply?
  • Step 1: Understand that a normal distribution is a way to describe how data is spread out.
  • Step 2: Know that in a normal distribution, most of the data points are close to the average (mean).
  • Step 3: Recognize that the data forms a shape that looks like a bell when graphed.
  • Step 4: Realize that the left and right sides of the graph are mirror images, meaning the data is balanced around the mean.
  • Step 5: Remember that in a normal distribution, about 68% of the data falls within one standard deviation from the mean.
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