Question content area top Part 1 Identify the level of measurement of the data, and explain what is wrong with the given calculation.

In a set of data, are represented as 1 for low, 2 for medium and 3 for high. The average (mean) of the 632 blood lead levels is 1.3.

Question content area bottom

Part 1 The data are at the 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 2.5 .

D. There is nothing wrong with the given calculation.