The following stem and leaf give the time taken in minutes to complete the assembly of a manufactured unit part. Treat this as population data as it is a whole class. 10 16 16 18 20 21 21 22 24 25 25 26 27 27 29 30 32 32 32 33 35 35 36 38 42 (5) a) Construct a stem and leaf plot with 7 classes. Ensure that your table is mutually exclusive and exhaustive. (5) b) Construct a frequency histogram on the primary axis and overlay onto the same graph your relative cumulative frequency distribution (aka the ogive) on the secondary axis from your table in 1a). Label and scale your axis accordingly