Q-Q plot (check for normality)

import scipy.stats as stats
import pylab

stats.probplot(group1,dist='norm',plot=pylab);



# combine the 2 lists to get overall salary distribution
marketingLst.extend(financeLst)
salFrame = pd.DataFrame(marketingLst,columns=['salary'])

# check normality
fig, ax = plt.subplots(figsize=(4,4))
qqplot(salFrame['salary'], fit=True, line='s',ax=ax)
plt.show(