Test: Common Core: High School - Statistics and Probability

1.

A group of scientists studied the effects of hormone treatments on plant germination. They decided to study Zea mays or corn. They hypothesize that abscisic acid will inhibit plant growth, while gibberellins will counteract this germination inhibition. Scientists leave some seeds unaltered (i.e. the control group) and treat one group of seeds with abscisic acid, while a third group is treated with both abscisic acid and gibberellins. They continue these treatments for fourteen days and monitored the plant's growth. The data of this study is located in the provided figure. Box plot

Was there an observable difference between treatments in the study?

No, abscisic acid inhibits plant growth

Yes, abscisic acid inhibits plant growth and gibberellins can counteract growth inhibition 

No, abscisic acid promotes plant growth and gibberellins can counteract growth promotion

Yes, abscisic acid promotes plant growth

Yes, gibberellins can counteract abscisic acid inhibition 

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