Question

identify the ws, name the variables, specify for each variable whether its use indicates that it should be treated as categorical or quantitative, and, for any quantitative variable, identify the units in which it was measured.
in performing research for an ecology class, students at a college in upstate new york collect data on streams each year. they record a number of biological, chemical, and physical variables, including the stream name, the substrate of the stream (limestone, shale, or mixed), the acidity of the water (ph), the temperature (°c), and the bci (a numerical measure of biological diversity).
identify the who in this situation. choose the correct answer below.
a. the college
b. the streams
c. the biological organisms that contribute to the bci
d. the students
e. the who is not specified.

Explanation:

The students are the ones performing the research and collecting data on streams.

Answer:

D. The students