Question

3. distribution that is bell-shaped and symmetric

Answer 1

Answer:

The normal distributions are symmetric and have bell-shaped density curves with a single peak

The normal distributions are a very important class of statistical distributions..

1. The Normal bell-shaped distribution is probably the most well-known symmetric distribution.
2. Scores that fall far from the mean are less frequent and fall on both sides of the mean (-/+).
3. Measures of central tendency are all equal.
   1. This is, in fact, where the term central tendency comes from.
   2. All measures of central tendency will fall on the mid line, the central point.
4. Ex. normal distribution or normal curve.
5. It is most appropriate to report the mean for such a distribution.