1 Ms N Parker always reads the columns of announcements in her local weekly newspaper. During each week of 2008, she notes the number of births announced. Her results are summarised in the table.
Number of births
1
2
3
4
5
6
7
8
Number of weeks
1
2
9
13
7
13
6
1
Calculate the mean, median and modes of these data.
State, with a reason, which of the three measures of average in part (a) you consider to be the least appropriate for summarising the number of births.