Question: Two different lab machines measure the sodium content (in milligrams) of the same 10 blood samples (below.) At "alpha" = 0.01, test the claim that both gave the same readings.
Sample 1 2 3 4 5 6 7 8 9 10
Machinel 1 38 136 142 151 154 141 140 138 132 136
Machine 2 140 136 141 150 153 144 143 136 131 138