If we are performing a two-tailed test of whether mu = 100, the probability of detecting a shift of the mean to 105 will be the probability of detecting a shift of the mean to 110.

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?