INSTRUCTIONS: "Solve all questions using excel functions and the excel data analysis pack"

Can someone help me by going through what I need to put in terms of the functions/ answering these - I have absolutely no idea what I'm doing. Please explain in a detailed and simple manner - I have never done stats via excel before.

C18 A C E F H 02 A production manager is comparing between three production methods. 3 The productivity (number of units produced per day) of the three production methods for the last 25 days Is presented in the table titled " Production Methods." At the a -.05 level of significance, test whether the means for the three production methods are equal