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, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
Answers: 1
Biology, 22.06.2019 16:40
An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient
Answers: 1
Biology, 22.06.2019 16:50
What is a general feature of a species that varies from one individual to the next (skin tone,eye color or hair color)? a.organism b.trait c.character
Answers: 2
Two insecticides will be compared for their effectiveness in eliminating aphids on tomato plants. Fo...
Chemistry, 30.08.2021 19:10
Arts, 30.08.2021 19:10
Mathematics, 30.08.2021 19:10
Physics, 30.08.2021 19:10
Mathematics, 30.08.2021 19:10
Mathematics, 30.08.2021 19:10
History, 30.08.2021 19:10
English, 30.08.2021 19:10
English, 30.08.2021 19:10
Chemistry, 30.08.2021 19:10
Arts, 30.08.2021 19:10
Chemistry, 30.08.2021 19:10
Chemistry, 30.08.2021 19:10