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

What phrase best describes oxidation- reduction reaction, What phrase best ...

What phrase best describes oxidation- reduction reaction? A. phosphoryrylation energezing endergounic reactions b. transferring of electrons from one molecule to another c. shar

Water - properties and functions, W A TER Occurence Water is ...

W A TER Occurence Water is the most abundant substance, covering 70% of earth's surface. It constitutes 60-90% of living cells.              5-6% in tooth e

Mitosis and meiosis, briefly desribe the eggs and follicles in rabbit

briefly desribe the eggs and follicles in rabbit

What is the basic structure of the hiv virus, What is the basic structure o...

What is the basic structure of the HIV virus? What is the function of the glycoproteins of its envelope? HIV is an RNA virus. In its core there are two strands of RNA and reve

What is meant by the peripheral nervous system, Q. What is meant by the per...

Q. What is meant by the peripheral nervous system (PNS)? The peripheral nervous system comprehends the ganglia and nerves of the body.

Why is the aids treatment often done with a drug cocktail, Q. Why is the AI...

Q. Why is the AIDS treatment often done with a drug cocktail? The treatment of obtain immune deficiency syndrome is often done with one or more anti-retroviral drugs of differe

Minerals and reproduction, Minerals and reproduction The mechanism of mine...

Minerals and reproduction The mechanism of mineral-reproduction interactions is not fully understood because  of the complexity of neuro-hormonal dialogue. Some minerals act direc

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