Parasites in Foxes A random sample of100 foxes was examined by a team ofveterinarians to
Chapter 2, Problem 76(choose chapter or problem)
Parasites in Foxes A random sample of100 foxes was examined by a team ofveterinarians to determine the prevalence of aparticular type of parasite. Counting the number ofparasites per fox, the veterinarians found that 69 foxeshad no parasites, 17 had one parasite, and so on. Afrequency tabulation of the data is given here:Number of Parasites, x 0 1 2 34 5 6 78Number of Foxes, f 69 17 6 3 1 2 1 0 1a. Construct a relative frequency histogram for x, thenumber of parasites per fox.b. Calculate x and s for the sample.c. What fraction of the parasite counts fall withintwo standard deviations of the mean? Within threestandard deviations? Do these results agree withTchebysheffs Theorem? With the EmpiricalRule?
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