Statistical Economics | Assignment

EXAM 1
TERM 1 2020
[DATE]

Question 1
Part a
(i) It would be ordinal since data is categorical and can be arranged in an order.
(ii) Ratio level data since numerical data with defined zero.
(iii) Nominal level data since categorical values without any automatic arrangement.
Part b
Cluster sampling
Part c
The population is all primary school children while the sample is 2350 school children
who have been selected
Part d
i) This is a parameter since it describes the characteristic of a population
ii) This is a statistic since it describes the characteristic of a sample.
Question 2
Part a
(i) Median age would be (17+1)/2 or 9th value Based on the given stem and leaf plot, this
value is 37 years. The modal age is 35 years since this is the only value which is
repeated twice. All the other values have frequency 1.
(ii) Maximum value = 60 years
Minimum value = 23 years
Range = 60 -23 = 37 years
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