based on the table provided, find the (valid) number (N), mean, and standard deviation. Highest year of school completed Frequency Percent Valid Percent Cumulative Percent Valid 0 1 .1 .1 .1 1 2 .1 .1 .2 2 1 .1 .1 .3 3 7 .5 .5 .8 4 2 .1 .1 .9 5 3 .2 .2 1.1 6 13 .9 .9 2.0 7 4 .3 .3 2.3 8 15 1.0 1.0 3.3 9 33 2.3 2.3 5.5 10 38 2.6 2.6 8.1 11 59 4.0 4.0 12.2 12 430 29.4 29.4 41.6 13 101 6.9 6.9 48.5 14 179 12.2 12.3 60.8 15 79 5.4 5.4 66.2 16 282 19.3 19.3 85.5 17 55 3.8 3.8 89.3 18 82 5.6 5.6 94.9 19 32 2.2 2.2 97.1 20 43 2.9 2.9 100.0 Total 1461 99.9 100.0 Missing DK 1 .1 NA 1 .1 Total 2 .1 Total 1463 100.0