A Moving to another question will save this response. Question 15 An equity analyst gathers total returns for three country equity indexes over the past four years. The data are presented below. O panel data time-series data Nominal data cross-sectional data D Time Period Index A Index B Index C Year t-3 Year t-2 15.56% 11.84% -4.34% -4.12% -6.96% 9.32% Year t-1 11.19% 10.29% -12.72% Year t 8.98% 6.32% 21.44% 10