The female labor force participation rates (FLFPR) of women in randomly selected countries in 1990 and latest years of the 1990s are in the table. Estimate the mean difference in the female labor force participation rate in 1990 to latest years of the 1990s using a 95% confidence level. Round to two decimal places Female Labor Force Participation Rates FLFPR FLFPR Country 25-54 25-54 1990 Latest year of 19905 35.3 77.8 2 42.5 63.6 3 70.2 72.4 53.3 55. 77.5 85.1 57.6 78.4 74.5 37.2 48. 80.7 9 69.9 34.1 10 38 56.8 11 60.7 69.5 12 35. 42.2 13 43.2 36 14 78.2 69.2 15 83.5 76.9 16 19.3 60.7 17 67.4 58.6 18 59 52.5 19 30.9 43.1 20 70.1 85.4 21 50.1 72.4 22 42.3 76.4 23 23 18 24 76.5 69.5 With confidence, it can be said that the mean difference in the female labor force participation rate in 1990 to latest years of the 1990s is between and