Consider an Experiment in Which Shireen Measures 20 Arabidopsis Plants

Multiple Choice

Consider an experiment in which Shireen measures 20 Arabidopsis plants in a pasture that an agricultural company claims have an average height of exactly 23 cm. Her plants have a mean of 24.53 cm with a standard deviation of 2.33 cm, however. Based on her t-test statistic, and using your table of critical t values, which of the following P-value ranges matches the one for the t-value she obtains?

A) P > 0.05
B) 0.02 < P < 0.05
C) 0.01 < P < 0.02
D) P < 0.01