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Type I Error

Type I errors play a significant role in statistical hypothesis testing. It occurs when researchers mistakenly reject a null hypothesis that is actually true. Understanding Type I errors is crucial in any field that relies on data analysis and hypothesis testing, such...

Treatment

Experimental Treatment Statistics refers to the application of a statistical method to a data set in order to derive meaning. You can either use descriptive statistics to describe the relationship between variables within a population or inferential statistics to test...

t-Distribution

The t-distribution is a hypothetical probability distribution. It is also known as the student’s t-distribution and used to make presumptions about a mean when the standard deviation is not known to us. It is symmetrical, bell-shaped distribution, similar to the...

Surface Plot

What are surface plots? A plot for a Response or z-variable based on a mesh determined from two input factors, an x-variable and a y-variable. A three-dimensional graph is required to visualize the relationship between three variables. Surface plots are diagrams...

Standard Deviation

Cumulative probability of a normal distribution with expected value 0 and SD 1. In statistics, the standard deviation is a measure of the amount of variation or dispersion of a set of values. A low S.D. indicates that the values tend to be close to the mean (also...
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