An experiment was conducted seeing whether senior citizens t…
An experiment was conducted seeing whether senior citizens taking fish oil supplements had lower levels of inflammation on average than those not taking the supplement. In the experiment, the 36 senior citizens in the group taking the oil had average levels of an inflammatory marker of 86.6 mmol/mL and the 40 individuals in the group not taking the oil had levels of 102.9 mmol/mL. Choose the correct notation for the sample statistic.