Last summer, fishermen noticed more algae growing in portions of a local trout s

Question

Last summer, fishermen noticed more algae growing in portions of a local trout stream than in previous years. A group of concerned citizens decided to collect water samples from the trout stream to detect the level of nitrogen in the water. They plan to take samples every day for six months and then will divide the sum by the number of days they sampled. What is the group trying to do? 1) determine the range of nitrogen levels in the water 2) determine the confidence level of the sample 3) determine the mean level of nitrogen in the water 4) determine the lowest level of nitrogen in the water 5) both determine the range of nitrogen levels in the water and determine the confidence level of the sample

Explanation / Answer

answer . determine the mean level of nitrogen in the water.

The citizens adds all the values and divides by no. of samples. thus calculating the average value or the mean value of the nitrogen in the sample

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