A student investigating the importance of wavelengths above and below the visible spectrum for photosynthesis sets up an experiment as follows over a 2-month period, all with illumination at 1-meter distance from plants grown with the same soil and watering conditions. 3 Arabidopsis plants exposed to ultraviolet light (UV)3 Arabidopsis plants exposed to infrared light (IR)3 Arabidopsis plants exposed to white light At the end of the experiment, she finds that the IR treated plants are scorched, the UV treated plants have wilted, but the white light-treated plants are growing normally. Which of the following statements is most likely to be correct?
Correct Answer:
Three plants do not provide sufficient replications to draw a conclusion.
Rationale:
The sample size is too small to be statistically valid.
