How many larvae per treatment, Biology

Assignment Help:

A study is made to verify the effects of pesticide exposure on pupal weight of butterflies. In a pilot study, 5 randomly selected larvae are raised on plants exposed to the pesticide and their weights at pupation are calculated. Another 5 randomly selected larvae are raised on untreated plants and their weights at pupation are measured.

1699_44.png


a.    A larger study with 20 larvae in every treatment is planned. Use the pilot data to estimate the power of the larger study to detect a difference as small as 0.5 g. Assume that assumptions for a parametric test are met.

b.    What is the smallest difference that could be detected with power of 0.8 and a sample size of 20 larvae in each treatment?

c.    How many larvae per treatment would be needed to detect a difference of 0.5 g with power of 0.8?

 


Related Discussions:- How many larvae per treatment

biodegrade xenobiotic compounds , Xenobiotic compounds are man-made chemi...

Xenobiotic compounds are man-made chemicals that are present in the environment at unnaturally high concentrations. The xenobiotic compounds are either not produced naturally, o

Show the inflammation triggered by bacterial infection, Q. Which type of de...

Q. Which type of defense cell do bacteria attract and cause to multiply during the inflammation process? What is the name given to the waste material produced by the inflammation t

Explain the mechanism of enzyme action, Question 1 Give an account of t...

Question 1 Give an account of t-RNA 2 Write short note on Competitive inhibition 3 What are ketone bodies? Write the mechanism of ketogenesis 4 Describe the properties of nucle

Non - direct approach to counseling, Q. Non - Direct Approach to counseling...

Q. Non - Direct Approach to counseling? The counsellor's participation is minimal; here the counsellee freely expresses. The counsellor pays attention to the emotion and attitu

Define the types of ketogenic diets, Define the types of Ketogenic Diets? ...

Define the types of Ketogenic Diets? The ketogenic diet is initiated after an initial period of Pasting for 24-72 hours, till ketosis is established. There are two types of ket

Illustrate the major cells of the nervous system, Q. Illustrate the major c...

Q. Illustrate the major cells of the nervous system? The major cells of the nervous system are the neurons. as well the neurons the nervous system is also constituted of glial

Enzymology, Ethylene glycol is a poison that causes about fifty deaths a ye...

Ethylene glycol is a poison that causes about fifty deaths a year in the United States. Treating people who have drunk ethylene glycol with massive doses of ethanol can save their

Cytokinins and Cell Division, α - amylase activity by GA 3 - Dormancy ...

α - amylase activity by GA 3 - Dormancy Of the enzymes required for the digestion of starch α-amylase appears immediately after the start of germination. It was found that

Basis of classification on form-relationship principle, Q. Basis of Classif...

Q. Basis of Classification on Form-relationship principle? As pointed out earlier, this system is mainly based on Form-relationship principle. thus the various genera were. g

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd