Analysis of Variance (ANOVA)

Produces the analysis of variance (ANOVA) of a given data set

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ANOVA is the acronym for ANalysis Of VAriance. This tool produces the analysis of variance of a given data set

For more information on ANOVA, refer to the corresponding Wikipedia article.

Input Range: The reference of the range of the data to analyze.

Results to: The reference of the top left cell of the range where the results will be displayed.

Select whether the input data has columns or rows layout.

Typ

Select if the analysis is for a single factor or for two factor ANOVA.

Alpha: the level of significance of the test.

Rows per sample: Define how many rows a sample has.

The following data will be used as example

1	Maths	Physics	Biology
	A	B	C
2	47	67	33
3	36	68	42
4	40	65	44
5	39	64	60
6		38	43
7	47	84	62
8	29	80	51
9	27	49	40
10	57	49	12
11	56	33	60
12	57
13	26

The following table displays the results of the analysis of variance (ANOVA) of the sample data above.

Wariancowa analyza - jednofaktorowa
Alfa	0.05

Skupiny	Ličba	Suma	Přerězk	Warianca
Column 1	11	461	41.9090909091	139.4909090909
Column 2	10	597	59.7	287.1222222222
Column 3	10	447	44.7	227.3444444444

Wariancowe žórło	SS	df	MS	F	P-hódnota	F-critical
Mjez skupinami	1876.5683284457	2	938.2841642229	4.3604117704	0.0224614952	3.340385558
W skupinach	6025.1090909091	28	215.1824675325
Dohromady	7901.6774193548	30