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 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 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 condition).
d. one day in december and one day in may
e. the when is not specified.
identify the where in this situation. choose the correct answer below.
a. the classroom
b. the colleges athletic center pool
c. upstate new york
d. the where is not specified.
identify the why in this situation. choose the correct answer below.
a. to mine for precious stones
b. to reduce the acidity of new yorks streams
c. to increase biological diversity
d. the why is not specified.
identify the how. choose the correct answer below.
a. mixing samples from different parts of the stream together and watching for a reaction
b. gathering water and sediment samples at a single location of stream, transporting them back to the campus and studying it back at the campus
c. swimming in the stream and making observations
d. the how is not specified.
one variable, stream name is categorical and measured by recording the name.

Explanation:

The When is not given. The data - collection location is upstate New York. The reason (Why) isn't specified. How isn't clear either.

Answer:

E. The When is not specified
C. Upstate New York
D. The Why is not specified
D. The How is not specified