# What is the meaning of analysis variance

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## What is the Meaning of Analysis of Variance?

Analysis of variance (ANOVA) is a statistical technique used to compare two or more groups of data. It is used to determine whether there is a statistically significant difference between the means of two or more groups of data. ANOVA can be used to compare the means of two groups, or to compare the means of three or more groups.

The ANOVA test works by examining the variance between groups of data. Variance is a measure of how much the values in a group of data differ from one another. If the variance between two groups of data is low, then it is likely that the means of the two groups are similar. If the variance between two groups of data is high, then it is likely that the means of the two groups are different.

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The ANOVA test can be used to compare the means of two groups, or to compare the means of three or more groups. To compare the means of two groups, the ANOVA test is used to determine if the difference between the means of the two groups is statistically significant. To compare the means of three or more groups, the ANOVA test is used to determine if the differences between the means of the groups are statistically significant.

The ANOVA test is used in many fields, such as psychology, economics, and medicine, to compare the means of different groups of data. The ANOVA test is also used in research to determine if the differences between the means of two or more groups of data are statistically significant.

In conclusion, analysis of variance (ANOVA) is a statistical technique used to compare two or more groups of data. It is used to determine whether there is a statistically significant difference between the means of two or more groups of data. ANOVA can be used to compare the means of two groups, or to compare the means of three or more groups. The ANOVA test is used in many fields, such as psychology, economics, and medicine, to compare the means of different groups of data.