Homework Help is Here – Start Your Trial Now!
Math
Statistics
A researcher is interested in whether contaminants discharged into a river reduce invertebrate biomass (g/m^2). Biomass is sampled from several sites downstream of a source of contaminants and several upstream sites. The raw effect size is calculated as mean biomass of upstream sites - mean biomass of downstream sites. The graph below represents a post hoc power analysis of the study to detect the smallest effect the researchers deems to be of biological interest. dt(x, 11) 0.4 0.3 0.2 0.1 0.0 -4 -2 В 0 X ୪ 2

A researcher is interested in whether contaminants discharged into a river reduce invertebrate biomass (g/m^2). Biomass is sampled from several sites downstream of a source of contaminants and several upstream sites. The raw effect size is calculated as mean biomass of upstream sites - mean biomass of downstream sites. The graph below represents a post hoc power analysis of the study to detect the smallest effect the researchers deems to be of biological interest. dt(x, 11) 0.4 0.3 0.2 0.1 0.0 -4 -2 В 0 X ୪ 2

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question

URGENT PLEASE ANSWER ASAP

 

According to the graph, was power to detect the specified effect high or low? Explain your choice.

A researcher is interested in whether contaminants discharged into a river reduce invertebrate biomass (g/m^2). Biomass is sampled from several sites downstream of a source of contaminants and several upstream sites. The raw effect size is calculated as mean biomass of upstream sites - mean biomass of downstream sites. The graph below represents a post hoc power analysis of the study to detect the smallest effect the researchers deems to be of biological interest. dt(x, 11) 0.4 0.3 0.2 0.1 0.0 T -4 -2 В 0 X α 2 4
Transcribed Image Text:A researcher is interested in whether contaminants discharged into a river reduce invertebrate biomass (g/m^2). Biomass is sampled from several sites downstream of a source of contaminants and several upstream sites. The raw effect size is calculated as mean biomass of upstream sites - mean biomass of downstream sites. The graph below represents a post hoc power analysis of the study to detect the smallest effect the researchers deems to be of biological interest. dt(x, 11) 0.4 0.3 0.2 0.1 0.0 T -4 -2 В 0 X α 2 4
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS