Parasites in Foxes
A random sample of 100 foxes was examined by a team of veterinarians to determine the prevalence of a particular type of parasite. Counting the number of parasites per fox, the veterinarians found that 65 foxes had no parasites, 20 had one parasite, and so on. A frequency tabulation of the data is given here: 
-Refer to the Parasites in Foxes statement and table. Calculate the sample mean 
and the sample standard deviation 
for the sample.
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