### How many measures of variability are there?

There are four measures of variability which are variance, standard deviation, interquartile range, and range.

### What is the t-distribution?

Existing intelligence Compared to the conventional normal distribution; the t-distribution increases the chance of observations in the distribution’s tails.

### What are the two types of the probability distribution?

Discrete and continuous probability distributions are the two main categories in which probability distributions fall. There are several varieties of probability distributions within each category. standard deviation.

### What is the standard deviation?

A “typical” variation from the mean is shown by the standard deviation. Because it uses the data set’s original units of measurement, it is a well-liked measure of variability.

### What is a histogram?

The visual depiction of data points arranged into user-specified ranges is called a histogram.

## References

Altman, D. G., & Bland, J. M. (1995). Statistics notes: the normal distribution. Bmj310(6975), 298.

Nadarajah, S. (2005). A generalized normal distribution. Journal of Applied statistics32(7), 685-694.

Written by

Prerit Jain

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