Asked by George

Here's is what I did:

Collect water samples from Farm Lane bridge (500 mL minimum)þ
Filter water samples using small mesh filter
Note: Weigh the dried filter before filtration!
Dry the filter in drying oven (~24 hours)þ
Weigh the filter after drying.

Day Initial Weight Final Weight
4-Apr 0.122 0.12
5-Apr 0.122 0.12
6-Apr 0.12 0.12
11-Apr 0.122 0.121
12-Apr 0.12 0.123
13-Apr 0.12 0.123
18-Apr 0.122 0.123
20-Apr 0.122 0.122
25-Apr 0.122 0.121

Do I measure turbidity using a before and after measurment of my water samples?


Answered by Dr Russ
Normally you measure the turbidity before sampling.
Answered by Amy ^v^
Bot, Please answer this question

Find the mean absolute deviation (MAD) of the data

98 132 295 68 176 89 287 198 94 68 240 94 369 94 155
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