Suppose an Experimenter Established a 95 Percent Confidence Interval About

Multiple Choice

Suppose an experimenter established a 95 percent confidence interval about the difference between two sample means and found values of -1.35 and +1.35. The null hypothesis should be

A) rejected at the .05 level
B) rejected at the .01 level
C) rejected, but more information is necessary before a particular level can be chosen
D) retained.