The following data represent the absorption of moisture in c

The following data represent the absorption of moisture in concrete aggregates of three different treatments Test the hypothesis that the three treatments have the same mean absorption of moisture. Use a = 0.05 Show the ANOVA table

Solution

T1

T2

T3

Total

446

486

428

448

466

414

442

420

500

502

520

488

sum

1838

1892

1830

5560

Sum of squares

846988

900152

842724

2589864

Corrction factor CF=5560² /12 =2576133.33

SST =2589864

	T1	T2	T3	Total
	446	486	428
	448	466	414
	442	420	500
	502	520	488
sum	1838	1892	1830	5560
Sum of squares	846988	900152	842724	2589864