1 Exercise collection: Life exptectancy 2 Disclosure 3 Research questions 4 First steps 5 Getting help 6 Exercises 6.1 Data Wrangling 6.2 Data Visualization 7 Solutions 8 Reproducibility library(tidyverse) 1 Exercise collection: Life exptectancy Get the data from this source. gapminder_raw <- read_csv("https://raw.githubusercontent.com/swcarpentry/r-novice-gapminder/gh-pages/_episodes_rmd/data/gapminder-FiveYearData.csv") 2 Disclosure This exercises are based on a tutorial by Rebekka Barter. Great work! 3 Research questions How did life expectancy change in the course of the last …