The mean percentage of change of the inflation rate in Spain for 2000-2008 was about 3.4%. In 2009, the percentage of change of the inflation
rate dropped to -0.3%. If this value is included in the data set, what is the new mean value of inflation?
ОА.
1.696
ОВ.
3.096
Ос.
3.496
OD
3.7%
