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One attempt was to investigate the effect of two treatments on the formation of tartar in...

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Basic Math

One attempt was to investigate the effect of two treatments onthe formation of tartar in dogs. In addition to the two treatmentgroups, there was also a control group. in the trial included 26dogs randomized to one of the three treatment groups (follow normaldistribution):

1. P2O7

2. HMP

3. Control (standard feed)

the values are given:

Group 1=(P2O7) 2= (HMP) 3=(Kontrol)

ni 9 8 9

mean 0.7467 0.4375 1.0889

s^2 0.13655 0.08448 0.17854

question: Use Bartletts test to test if the variance areequal

If possible answer in R. If not by hand is also good.

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