Question

Mean of the data 2,3,4, 8, 9,2 9,10,3,3, is _____​

Answer 1

$mean = \frac{sum \: of \: all \: observations}{total \: number \: of \: observations} \\ mean = \frac{2 + 3 + 4 + 8 + 9 + 2 + 9 + 10 + 3 + 3}{10} \\ = \frac{5 + 12 + 11 + 19 + 6 }{10} \\ = \frac{17 + 30 + 6}{10} \\ = \frac{53}{10} \\ = 5.3 \\ mean = 5.3$