In a study of the effect of diet on cholesterol, rats were fedseveral different diets. 2 One diet had 5% added ?ber from oat bran. The studyreport gives results in the form "mean plus or minus the standard error of themean." This form is very common in scienti?c publications. For the 6 rats fedthis diet, blood cholesterol levels (in milligrams per deciliter [mg/dl]) were89 . 01 ± 5 . 36. What are x and s for these 6 rats?