The death rate in Lombardy 6.37% is significantly higher than in Italy as
a whole 4.96%, and Italy is much higher than the world rate 3.5%
in R
prop.test(c(267,366),c(4189,7375))
2-sample test for equality of proportions with continuity correction
data: c(267, 366) out of c(4189, 7375)
X-squared = 10.01, df = 1, p-value = 0.001557
alternative hypothesis: two.sided
95 percent confidence interval:
0.00501951 0.02320298
sample estimates:
prop 1 prop 2
0.06373836 0.04962712
prop.test(c(366,3892),c(7375,111228))
2-sample test for equality of proportions with continuity correction
data: c(366, 3892) out of c(7375, 111228)
X-squared = 42.383, df = 1, p-value = 7.505e-11
alternative hypothesis: two.sided
95 percent confidence interval:
0.009490875 0.019780984
sample estimates:
prop 1 prop 2
0.04962712 0.03499119
Greg
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