Based on the following calculator output, determine the mean of the dataset, rounding to the nearest 100th if necessary.
1-Var-Stats
x = 239.857142857
Σx=1679
Σx2=409741
Sx = 34.2073509226
σx = 31.6698530441
N = 7
minX = 199
Q1 = 210
Med = 243
Q3 = 277
maxX = 285
