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?

Question

Quizplus · Accepted Answer

The t-value is significant at the 0.01 level, so the P-value is less than 0.01.

Consider an Experiment in Which Shireen Measures 20 Arabidopsis Plants