If it cost $1.12 for a dozen eggs at a store how much do 3 eggs cost

A dozen is 12.
The price for 12 is 1.12.
They only ask for the price of three, so you have to divide 1.12 by 12 and its 0.09 per egg. So, now you have to times 0.09 by three.

(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.