Identify the level of measurement of the data, and explain what is wrong with the given calculation.
In a set of data,
blood lead levelsblood lead levels
are represented as
00
for
low commalow,
11
for
medium commamedium,
and
22
for
high.high.
The average (mean) of the
795795
blood lead levelsblood lead levels
is 0.9 .0.9.
Question content area bottom
Part 1
The data are at the
â–¼
nominal
interval
ratio
ordinal
level of measurement.
Part 2
What is wrong with the given calculation?
A.
One must use a different method to compute the average (mean) of such data.
B.
Such data should not be used for calculations such as an average (mean).
C.
The true average (mean) is
1.01.0.
D.
There is nothing wrong with the given calculation.