1. An ANOVA conducted to compare the mean production of treated waste water (litres/hour) in six sewage treatment plants in Oman showed that there were significant differences at 5% level. The data...

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Extracted text: 1. An ANOVA conducted to compare the mean production of treated waste water (litres/hour) in six sewage treatment plants in Oman showed that there were significant differences at 5% level. The data are given below: Sewage Treatment Plant: Samail Lasail Ghala Izki Ibra Ansab of treated water(L/h): 2432 Means waste 2401 2422 2355 2428 2425 samples 12 12 Size of (ni) 12 12 12 12 The error MS in ANOVA 8.42 ; Condition of ANOVA is nl=n2=n3=n4=n5 =n6. The replicates/plant is as shown in size of samples. Perform a suitable statistical test and find the location of significant differences