Researchers want to find a way to increase the growth rate of corn so it can be harvested whether the difference of means between the treatment group and the control group is statistically significant and interpret the result in the context of the situation. Question 1 Researches want to find a way to increase the growth rate of corn so it can be harvested more often. To test the effectiveness of a new type of spray fertilizer, plants grwon from 200 corn seeds were divided equally into two groups: a treatment group and a control group. The result showed that the mean change in the growth rate by the treatment group is 8 points more than that of the control group. Anyone seen this?