Question

From Table A to Table B, we use ____________ to handle the missing values (“NA”).

dv	v1	v2	v3	v4	TABLE B->	dv	v1	v2	v3	v4
80	50	NA	NA	85	<-TABLE A	80	50	67	105	85
95	45	54	109	75		95	45	54	100	75
70	30	65	110	78		70	30	65	110	78
NA	42	67	105	92		80	42	67	105	92
80	45	67	105	NA		80	45	67	105	85
73	24	67	108	85		73	24	67	108	85

Mean imputation
		Median imputation
		Mode imputation
		Random imputation

Answer 1

Note: to find which method is used to fill NA we observe table A and table B and check mean, median and mode imputation.

Details explained in the image.