Table:
revised average growth in quarterly real gdp
previously published average growth in quarterly real gdp
mean absolute revision to the growth in quarterly real gdp

percent
percentage points

2013
0.88
0.78
0.10

2014
0.54
0.60
0.06

2015
0.09
0.08
0.01

2013 to 2015
0.50
0.48
0.02

Statement: the mean absolute percentage point revision to the quarterly growth rate in real gdp from 2013 to 2015 was 0.02.
Question: what was the mean absolute percentage point revision to the quarterly growth rate in real gdp from 2013 to 2015?
Answer: [0.02]