The following table represents the heights, in centimetres, of 120 boys in a school.
1.1 Complete the cumulative frequency table in the SPECIAL ANSWER BOOK. (2)
1.2 Draw an ogive, using the diagram in the SPECIAL ANSWER BOOK, to represent
the information in the table. (4)
1.3 Determine, using the ogive, the five number summary. (5)
1.4 If the distribution of the data is represented by means of a box whisker diagram,
comment on the spread of the data. (1)