
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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 70 in Group 1
voted and 56 out of a random sample of 101 in Group 2 voted.
(a) Find the relevant sample proportions in each group and the pooled proportion.
Round your answers to three decimal places.
P₁ =
P₂ = i
P = i
(b) State the null and alternative hypotheses.
Ho:¦
(c) Give the test statistic and the p-value.
test statistic = i
p-value = i
T
What is the conclusion?
✓ Ho.
μ
vs Ha:
I₂
1
14₂
:: P₁
p
:: P₁
:: P₂
Round your answer for the test statistic to two decimal places and your answer for the p-value to three decimal places.
:: P2
r
p
I₁
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