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categoryإحصاء
schoolبكالوريوس
event_available2026-07-15
السؤال
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1. +0.34/1 points Previous Answers
ASWSBE13 12.E.001.
You may need to use the appropriate technology to answer this question.
Use the sample data below to test the hypotheses
=
Ho P1 P2 P3
:
Ha not all population proportions are equal
where p, is the population proportion of Yes responses for population i.
Response
Populations
1 2 3
Yes
145
140 111
No
95
140
119
Find the value of the test statistic. (Round your answer to three decimal places.)
.9956
Find the p-value. (Round your answer to four decimal places.)
p-value = .9956
Using a 0.05 level of significance, state your conclusion.
Do not reject Ho. We conclude that not all population proportions are equal.
Do not reject Ho. We cannot conclude that not all population proportions are equal.
Reject Ho. We cannot conclude that not all population proportions are equal.
Reject Ho. We conclude that not all population proportions are equal.
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