Ik it’s pretty easy but u knowh am not really sure if am right or not

2,6,18

r = 6/2 = 3

18 *3 = 54

54*3 = 162

162*3=486

54,162,486

(a) Yes effect is significant.

(b) 0.15 or 15%

Step-by-step explanation:

Most conventional significance level is 0.05 and a p value less 0.05 indicated that test hypothesis is false and should be rejected. Given in statement that 'p < 0.05'Eta-squared (η^{2})  is the measure of proportion of variance which 0.18 given in the statement.