Formative questions week 1
1. Gender is an example of what level of measurement?
a) Nominal
b) Ordinal
c) Interval
d) Ratio
Socio-economic status (low, middle, high) is an example of what level of measurement?
a) Nominal
b) Ordinal
c) Interval
d) Ratio
Which option is the median of the numbers below:
4 5 4 4 3 5 6 3 4 2
a) 10
b) 8
c) 4
d) 4.5
4. Which option is the mode of the numbers below?
4 5 4 4 3 5 6 3 4 2
a) 10
b) 8
c) 4
d) 4.5
5. which option is the range of the numbers below?
4544356342
a) 6
b) 2
c) 8
d) 4
6. Which option is the interquartile range of the numbers below?
4544356342
a) 2
b) 3
c) 4
d) 5
7. What is the minimal level of measurement required to calculate a median?
a) Ratio
b) Interval
c) Ordinal
d) Nominal
, 8. What is the minimal level of measurement required to calculate a mean?
a) ratio
b) interval
c) ordinal
d) nominal
9. Explain what measure of central tendency can be calculated for the following measurements (e.g.
nominal, ratio etc.)
a) hair colour (brown, black, blond)
b) Social economic status (low, middle, high)
c) Income (in euro’s)
d) Temperature (in degrees Celsius)
e) Age (in years)
f) Blood pressure (in mmHg)
g) Sort of cancer (lung, prostate, bowel etc)
10. Explain what measure of variability can be calculated for the following measurements: (e.g.
range, IQR, variance)
a) Hair colour (e.g. brown, black, blond, red, grey)
b) Social economic status (low, middle, high)
c) Income (in euros
d) Temperature (in degrees Celsius)
e) Age (in years)
f) Blood pressure (in mmHg)
g) Sort of cancer (lung, prostate, bowel, etc.)
11. Explain whether it is sensible to make a barchart, a histogram and a boxplot for the following
measurements:
a) Hair colour (e.g. brown, black, blond, red, grey)
b) Social economic status (low, middle, high
c) Income (in euros)
d) Temperature (in degrees Celsius)
e) Age (in years)
f) Blood pressure (in mmHg)
g) Sort of cancer (lung, prostate, bowel, etc.)
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