Two insecticides will be compared for their effectiveness in eliminating aphids on tomato plants. Forty tomato plants of the Big Boy variety will be randomly allocated to two groups of twenty each. The first group of 20 plants will be sprayed with insecticide A and the other group of 20 plants with insecticide B. After two weeks, the number of aphids on each plant will be counted. A test will be performed to determine whether the mean number of aphids differs significantly for the two insecticides.
What procedure should she use to compare the mean number of aphids found on the two groups of plants?
Answers: 3
Biology, 21.06.2019 21:20
Why does the skin of your finger shrink when you wash clothes for a long time?
Answers: 2
Biology, 22.06.2019 00:30
Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen
Answers: 2
Biology, 22.06.2019 01:10
Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species
Answers: 3
Biology, 22.06.2019 11:00
What factors contribute to the effect an environmental toxin has on the human body?
Answers: 3
Two insecticides will be compared for their effectiveness in eliminating aphids on tomato plants. Fo...
Mathematics, 05.05.2020 13:04
English, 05.05.2020 13:04
English, 05.05.2020 13:04
Mathematics, 05.05.2020 13:04
Mathematics, 05.05.2020 13:04
History, 05.05.2020 13:04
Mathematics, 05.05.2020 13:04
Chemistry, 05.05.2020 13:04
Social Studies, 05.05.2020 13:04