Question

Water Samples Plankton Population Average Sardine Size
February 14,352/ liter 5 in
March 16,321/ liter 7 in
West Coast

Water Samples Plankton Population Average Sardine Size
February 12,231/liter 4 in
March 13,781/liter 5 in
Which statement best analyzes the data? (2 points)

Choose one answer.
a. An increase in plankton population results in a decrease in sardine size.
b. A decrease in plankton population results in an increase in sardine size.
c. An increase in plankton population results in an increase in sardine size.
d. An increase in the amount of plankton per l

Answer 1

So these are two different water samples correct?

Answer 2

yes

Answer 3

Im kind of confused with the average sardine size is it suppose to be empty?

Answer 4

the average sardine size is the number next to the inches

Answer 5

Oh so its like this Water Samples Plankton Population Average Sardine Size
February 14,352/ liter 5 in
March 16,321/ liter 7 in
West Coast

Water Samples Plankton Population Average Sardine Size
February 12,231/liter 4 in
March 13,781/liter 5 in

Answer 6

yes

Answer 7

ok now it makes sense :D

Answer 8

I think the answer is C.

Answer 9

don't forget if you have a doubt you can check your notes and the lesson!

Answer 10

I don't think this a truly answerable question. I guess we have to assume that these values are truly significant (statistically supported as different, for example you expect a fair coin to always have 50% head and 50% tails, if you do it 100 times and get 51 and 49 those numbers are not statistically different from 50/50).

Now even if we assume that we need to know the relationship before we can answer. Are the sardines and plankton doing anything, sharing habitat, etc? We need to know something about them before we can discuss the correlation vs. causation of the data.