I don't understand ANOVA :(
Type of Paint 1 2 3 4
Highway A 10.0 11.3 10.3 11.8
Highway B 6.2 9.2 9.2 ???
Highway C 7.6 9.9 9.9 ???
Column means 7.93 10.13 9.77 11.80

Noting that two of the data points have not been shown, carry out calculations for the following questions using only a calculator and appropriate summary statistics. The overall data standard deviation is 1.731.

a.) A partial ANOVA table is given below. Compute values needed to fill in the blanks.
Source DF SS MS F P
Paint Type
Highway 3.05
Error
Total

Question

I don't understand ANOVA :(
Type of Paint 	1 	2 	3 	4
Highway A 	10.0 	11.3 	10.3 	11.8
Highway B 	6.2 	9.2 	9.2 	  ???
Highway C 	7.6 	9.9 	9.9 	 ???
Column means 	7.93 	10.13 9.77 11.80

Noting that two of the data points have not been shown, carry out calculations for the following questions using only a calculator and appropriate summary statistics. The overall data standard deviation is 1.731.

a.) A partial ANOVA table is given below. Compute values needed to fill in the blanks.
Source 	DF 	SS 	MS 	F 	P
Paint Type 					
Highway 	  	        3.05 	     	    
Error 					
Total