8.1 Capítulo 1
Solução. 1.6
## [1] 814351012
## [1] 1.234264e+14
## coronavirus$type: confirmed
## [1] 676570149
## ------------------------------------------------------------------------------------------------------------------------------------
## coronavirus$type: death
## [1] 6881802
## ------------------------------------------------------------------------------------------------------------------------------------
## coronavirus$type: recovery
## [1] 130899061
## [1] 973836
d \(\sum_{i=1}^{973836} x_{i} = 8.1435101\times 10^{8}\)
\(\sum_{i=1}^{973836} x_{i}^2 = 1.2342636\times 10^{14}\)
## Time difference of 1685 days