Decide whether mean or mode is a better representative value in the following situations.
(i) A shop keeper, who sells tooth paste tubes of different sizes, wants to decide which size to is be ordered more.
(ii) An invigilator wants to bring sufficient number of additional papers to the examination hall.
(iii) Preparation of the number of laddus for a marriage.
(iv) For finding the favorite cricketer in a class.