At their installations as chief justice of a certain country, the first six chief justices were

46,59,49,48,58,and 58 years old .

Complete parts (a) and (b) below.

a. Find and interpret (report in context) the mean age at installation. The mean age at installation of the six most recent chief justices was 62. Did the first six tend to be older or younger at installation than the most recent six chief justices were? The mean is enter your response here.

(Round to the nearest tenth as needed.)