A horticulturist is testing three different fertilizer types…
A horticulturist is testing three different fertilizer types — FertA, FertB, and FertC — to see if they produce different average plant growth (in centimeters) after six weeks. Twelve plants are randomly assigned to each fertilizer type. Use an appropriate hypothesis test, at the 5% level of significance, to determine whether there are statistically significant differences in mean growth among the three fertilizers. Question of interest: which fertilizer(s) maximize plant growth? The descriptive statistics have been provided: