In: Statistics and Probability
To detect the presence of harmful insects in farm fields, we can put up boards covered with a sticky material and examine the insects trapped on the boards. Which colors attract insects best? Experimenters placed six boards of each of four colors at random locations in a field of oats and measured the number of cereal leaf beetles trapped. The data is in the file Beetles.xlsx under the Quiz4 Resource folder. Conduct a one-way ANOVA
What is the ratio of the largest standard deviation to the smallest standard deviation (in one decimal place)?
Blue | Green | White | Red |
16 | 37 | 21 | 45 |
11 | 32 | 12 | 59 |
20 | 20 | 14 | 48 |
21 | 29 | 17 | 46 |
14 | 37 | 13 | 38 |
7 | 32 | 20 | 47 |