Use SPSS .....
A pool of
participants was randomly divided into four treatment groups. The
groups were administered daily doses of vitamin C over a 12-month
period. The data in the table represents severity of cold and flu
viruses reported as a function of virus concentration in the blood.
In other words, the higher the concentration of virus, the more
severe the symptoms.Assume the sample sizes are
large and that the instrumentation to measure virus activity, used
an appropriate measurement....