I have to comment on the tables contained in a scientific document.The data refers to water taken from Loch Lomond in Scotland, and cases of cryptosporidian. I need to know how to consider all regions, and compare differences to see if there is a significant difference. Can you help?
Table 1 examines the cases of cryptosporidium cases before and after 1991 when the new water treatment was implemented in Loch Lomond in patients whose water supply comes from Loch Lomond or other sources broken down by age category.
Table 2 details the mean, median and range ages of infection before and after 1991 in cryptosporidium positive patience recieving water from Loch Lomond or other sources. This table demonstrates that there was no change in the mean, median and range of ages of cryptosporidium patients before and after 1991 in Loch Lomond and other water sources.
Table 3 seggregates cases based ...
Several paragraphs examining the outbreaks of cryptosporidian outbreaks in Loch Lomond Scotland as detailed by the attached paper.