We intend to estimate the average driving time of a group of commuters. From a previous study, we believe that the average time is 42 minutes with a standard deviation of 7 minutes.
We want our 90 percent confidence interval to have a margin of error of no more than plus or minus 4 minutes. What is the smallest sample size that we should consider?
A) 2 B) 9 C) 34 D) 3
Question 2
Consider a completely randomized design with five treatments. How many pairwise comparisons of treatments are made in a Bonferroni analysis?
A) 5 B) 20 C) 10 D) 5 = 120
Killer Whale - Size comparison to an average human.
The heme group viewed from the side. This view shows the two coordination bonds to Fe2+
For a time Dr. Seuss—Theodor Seuss Geisel—drew political cartoons. This one, published in ...
Middle adults usually have more time to focus attention on their relationships
Heartfelt Forgiveness Study
The Hfr chromosome time-of-entry map is assembled from the recombinant data