Dada a matriz A = (aij)3x3 onde ajj = 2i - 3j + (i + ]). Assinale a alternativa que representa o valor do traço da matriz A.

A. 0

B. 2

C.4

D. 6

E. 8

The dot plot below shows the number of toys 21 shops sold in an hour: dot plot labeled number of toys sold shows 6 dots over 0, 4 dots over 1, 3 dots over 2, 3 dots over 3, 2 dot over 4 and 3 dots over 9 is the median or the mean a better center for this data and why? median; because the data is not symmetric and there are outliers median; because the data is symmetric and there are no outliers mean; because the data is symmetric and there are no outliers mean; because the data is skewed and there are outliers