Do stimulants influence performance? At Doug Ford University a dozen unfortunate souls were selected to participate in the following experiment that had separate conditions. The same students were given a pill for the first half that contained a dose of amphetamines (some legal kind) then a sugar pill for the second half of the experiment. The other half of the students were given these pills but in reverse order. Ability to pay attention to a Justin Trudeau speech while being Student 1 2 3 4 5 6 7 8 9 10 11 12 Condition 1 (stims) 15 15 30 18 20 23 15 20 15 20 23 25 Condition 2 (placebo) 13 14 17 19 21 22 18 30 9 15 19 22 What are the hypotheses (you will use a two tailed/non directional test)? (2 point) H0: __________________________________________________ H1: __________________________________________________ Evaluate these hypotheses using the sign test, with =.10. (2 points) What is your decision and conclusion including what does this mean about listening to Justin Trudeau? (1 point) Student 1 2 3 4 5 6 7 8 9 10 11 12 Condition 1 (stims) 15 15 30 18 20 23 15 20 15 20 23 25 Condition 2 (placebo) 13 14 17 19 21 22 18 30 9 15 19 22.