In a recent survey, 185 of 220 ACME University students favo…
In a recent survey, 185 of 220 ACME University students favored installing a bronze statue of Bugs Bunny. It was previously believed that only 75% of ACME University students favored the statue. Are the assumptions for running the binomial exact test met?
Read DetailsTo study the effect of a new additive on frosting shelf life…
To study the effect of a new additive on frosting shelf life, the Publicks baker randomly assigned each of 150 small batches of frosting to one of three additive levels: none, some, and lots (50 batches were assigned to each treatment group). She then measured their shelf life (in days) by tasting them each morning until every batch had soured. The respective p-values for Hartley’s F-max and Bartlett’s tests were 0.479 and 0.522.
Read DetailsIn a recent survey, 185 of 220 ACME University students favo…
In a recent survey, 185 of 220 ACME University students favored installing a bronze statue of Bugs Bunny. It was previously believed that only 75% of ACME University students favored the statue. Are the assumptions for running a right-tailed, one-proportion-z-test met?
Read Details