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A researcher for the EPA measured the amount of arsenic in the water near a sewage treatment plant. Over 5 days, he took
Posted: Sun Oct 03, 2021 12:55 pm
by answerhappygod
- A Researcher For The Epa Measured The Amount Of Arsenic In The Water Near A Sewage Treatment Plant Over 5 Days He Took 1 (37.85 KiB) Viewed 109 times
A researcher for the EPA measured the amount of arsenic in the water near a sewage treatment plant. Over 5 days, he took n = 20 measurements (in parts per billion). His sample data is summarized in the ogive graph shown below (you can click on it to make it bigger). Please note that it's not the same ogive as in the previous
question. 20 15 00- 10 5 o 0 toro 25 30 35 40 45 Arsenic (ppb) How many measurements taken in this time frame were within [55, 60) ppb? 20 21 50 540 25 ans =