Rachel plans to go to five locations of a stream and measure the pH to two decimal places at each location. She will take the measurements in triplicate at each location and is not expecting any particular trend. Which pair of items would be most appropriate for her to use to collect and display her data

Question

anonymous · Answer

a pH probe and a table
a pH probe and a graph
pH paper and a table
pH paper and a graph

anonymous · Answer

help :(( thank you

anonymous · Answer

since she's not expecting trends, a graph would not make sense, so you can eliminate that

anonymous · Answer

omg i think the same thing

anonymous · Answer

pH paper only tell you the relative pH (if it's a base or an acid) and it's not really precise too

anonymous · Answer

so probe work?

anonymous · Answer

The problem asks for 3 significant digits, so... probe would be the best type

anonymous · Answer

there you go, ph probe and table is your answer :)

anonymous · Answer

omg youre so awesome!!! i have one last question is it poosible?