A researcher believes that drinking apple cider vinegar each morning will reduce cholesterol levels. He randomly assigns participants to one of two groups: one group (n = 22) drinks a cup of apple cider vinegar each morning after breakfast and another group (n = 20} does not [this is the control group}. After six months, the cholesterol levels are measured in each group. a. State the nondirectional null hypothesis in symbols H0: l'l'vinegar \"control or l'l'vinegar _ control 0 b. State the nondirectional alternative hypothesis in symbols. H1: l'l'vinegar \"control or l'l'vineagr _ \"control 0