Test whether there is a difference between two groups in the proportion who voted, if 45 out of a random sample of 71 in Group voted and 56 out of a random sample of 99 in Group 2 voted. * Your answer is incorrect. (a) Find the relevant sample proportions in each group and the pooled proportion. Round your answers to three decimal places.
Test whether there is a difference between two groups in the proportion who voted, if 45 out of a random sample of 71 in Group voted and 56 out of a random sample of 99 in Group 2 voted. * Your answer is incorrect. (a) Find the relevant sample proportions in each group and the pooled proportion. Round your answers to three decimal places.
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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this isn’t a graded question it’s just practice!
Transcribed Image Text:(b) State the null and alternative hypotheses.
# =
Ho:
Your answer is incorrect.
test statistic =
# <
p-value = i
Do not reiect
i
What is the conclusion?
:>
Ho
:: F₁
p
::I₂
vs Ha:
1
^
:: p
442
::p
P₁
:: P₁
(c) Give the test statistic and the p-value.
Round your answer for the test statistic to two decimal places and your answer for the p-value to three decimal places.
P₂
:: P2
T
:-
p
Edit
Transcribed Image Text:Test whether there is a difference between two groups in the proportion who voted, if 45 out of a random sample of 71 in Group 1
voted and 56 out of a random sample of 99 in Group 2 voted.
* Your answer is incorrect.
(a) Find the relevant sample proportions in each group and the pooled proportion.
Round your answers to three decimal places.
= i
P₂ = i
P= i
* Your answer is incorrect.
(b) State the null and alternative hypotheses.
33 ->
#
#p
#
Edit
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