Answer questions A and B

4- a) Compute (chi-square) calculation for the following table and justify the result? (numbers in parenthesis are expected counts calculated based on the data distribution in the two categories) Like cats Like dogs sum(col.) 120082) 330(267) 450 Female 310(247) 300(362) 610 sum(row) 430 630 1060 b) Compute covariance matrix of the following vectors. , 0.5 , 2.2 , 1.9 , 3.1 , 2.3) , 0.8 , 3.0 , 2.2 , 2.5 , 2.8)