Question

When the nature of population from which samples is drawn is not know to be normally disributed the data can be analysed which the help of

Answer 1

Answer:

The normal distribution is always symmetrical about the mean. The standard deviation is the measure of how spread out a normally distributed set of data is. It is a statistic that tells you how closely all of the examples are gathered around the mean in a data set.

Answer 2

Answer:

Non parametric statistics.

Explanation:

• The area of statistics known as nonparametric statistics does not only rely on families of parametrized probability distributions.
• The foundation of nonparametric statistics is either being distribution-free or having a known distribution but with indeterminate parameters.
• A nonparametric estimation of a probability distribution is demonstrated by a histogram.

#SPJ3