4. Verify that ATA is symmetric if A = 2 0 -[413] 45

prove with a table if x → y then _xor y = y

For each situation, find degree of freedom (d. f .), numerator, denominator, tobtained, and area under the curve (AUC) beyond tcritical, and fill out the empty cells.

Let u (6,6) and 7 = (-7,4). Compute the following: u v = 1008 v=1008 |||||² = 72 -3(u-v) = 3024 (-3u) v = ú. (-3v) = (ú. v) v = Add Work Submit Question X X > 8 X