The following data are 16 weeks of weekly fecal coliform counts (MPN/100 ml) at Dairy Creek in
Question:
203 215 240 236 217 296 301 190
197 203 210 215 270 290 310 287
(a) Counts above 225 MPN/l00ml are considered unsafe. What type of one-sided interval (upper- or lower-bound) would be appropriate to assess the safety of this creek? Explain your reasoning.
(b) Using 95% confidence, construct the interval chosen in part (a).
(c) Based on your interval in part (b), what conclusions can you make regarding the safety of the water?
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a Assuming we had public safety in mind we would want ...View the full answer
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Related Book For 
Statistics For The Life Sciences
ISBN: 9780321989581
5th Edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
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