Calculate this anova by hand

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Reference no: EM13879212

Instructions- Calculate this ANOVA by hand. Check your work by also calculating the ANOVA in SPSS or EXCEL. Be sure to do any multiple comparison tests and interpret the results.

	Control GroupA₁	PsychoanalysisA₂	CBTA₃
X1	7	7	3
X2	10	5	3
X3	6	6	2
X4	8	5	3
X5	10	5	4
X6	10	6	2
X bar_A1
SX (_A1)
SX²

SS_T = SX²- T²/an (also called [X] - [T])

SS_T = (a = number of groups, n = number in each group)

SS_T =

SS_A = SA²- T² (also called [A] - [T])

n an

SS_A=

SS_S/A = SX²- SA²(also called [Y] - [A] )

SS_S/A =

Now divide by its df to change it to variance. Variance is called Mean Square. Complete ANOVA summary table on next page.

ANOVA Summary Table

Source SS df MS F

A-group

S/A (error)

Total

Find F-critical.

Are the groups significantly different?

Write the results statistically.

What do you do next? Why?

Which groups are different?

Reference no: EM13879212

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