rested in testing the effects of en and may be an important basis of nent (consisting of a large box with used them in an "isolate" environn pines in a particular region of the H ng conditions have an effect on th Isolate condition 10 4
rested in testing the effects of en and may be an important basis of nent (consisting of a large box with used them in an "isolate" environn pines in a particular region of the H ng conditions have an effect on th Isolate condition 10 4
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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what statistical test should be used, what are the null and alternative hypotheses, what are the critical values, what is the test statistic, effect size, upper and lower 95% CI, and a conclusion statement?

Transcribed Image Text:Mean
number of
dendrites.
Enriched
condition.
40
O
(Estimated) 10
Standard
Deviation
A neuroscientist is interested in testing the effects of environment on dendritic branching in the hippocampus (dendrites increase the
receptivity of neurons and may be an important basis of cognition). To test this, he took one group of rats (n = 11) and housed them in
an "enriched" environment (consisting of a large box with tunnels to run through, toys to play with, etc.) and then he took another group
of rats (n = 11) and housed them in an "isolate" environment (rats were housed alone without any tunnels or toys). After 6 weeks, the
number of dendritic spines in a particular region of the hippocampus from these rats was imaged and counted. The results are below.
Did the different housing conditions have an effect on the number of dendrite branches? Solve using the steps in hypothesis testing.
Isolate condition
10
4
educat.nmu.edu
Identify the most appropriate statistical test.
MacBook Pro
C
website name
+
Time left 1:55:00
O
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