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pulse_rates = c(88, 76, 84, 64, 60, 64, 60, 68, 74, 68, 68, 72, 76, 72, 52, 72, 64, 60, 76, 88, 72, 64, 60, 60, 72, 92, 80, 72, 64, 68)
plot(ecdf(pulse_rates), main = "ECDF of Peruvian Indians Pulse Rates",
xlab = "Pulse Rates", ylab = "Empirical CDF")
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plot(density(pulse_rates), main = "Peruvian Indian Pulse Rates Normal Distribution",
xlab = "Frequency by Pulse Rates")