Course Content

  • Z-Table, T-Table , Chi-Square Table

Course Content


The amount of time (starting now) until an earthquake occurs, for example, has an exponential distribution. Other examples include the length of long-distance business phone calls in minutes and the time a car battery lasts in months.

Variability measures are numbers that describe the diversity or dispersion of a variable's distribution. A box plot is a graphic representation of a variable's range, interquartile range, and median.

The exponential distribution is a continuous distribution used to estimate the time it will take for an event to occur.

In the same way, the Poisson distribution deals with the number of occurrences over a set period of time, whereas the exponential distribution deals with the time between occurrences of successive events as time passes.

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