Place only correct letter in each, from the choices above. H0: ________ and HA:__________

The effect of exercise on the amount of lactic acid in the blood was examined in an article in a medical journal. Five women who were attending a week long training camp participated in an experiment. Blood lactate levels were measured before and after playing 3 games of racquetball as shown in the table below: Is there significant evidence that the lactate levels increased after training camp? Player Before After 1 11 21 2 16 26 3 13 19 4 18 22 5 14 14 For each player, a quantity equal to {lactate level after - lactate level before} is computed. You will select the appropriate null and alternative hypotheses for this test A Ud= 0 B U.>0 C ud 0 G M after - before H Mafter -MU before # 0 lace only correct letter in each, from the choices above. Ho: and Ha