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categoryإحصاء
schoolبكالوريوس
event_available2026-07-15
السؤال
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14.
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DEVORESTAT9 14.E.037.
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ASK YOUR TEACHER
An article reports that among 31 randomly selected candidates for political office who came from families with four children, 12 were firstborn, 11 were middleborn, and 8 were lastborn. Use this data to test the null hypothesis that a
political candidate from such a family is equally likely to be in any one of the four ordinal positions. (Use α = 0.05.)
Calculate the test statistic. (Round your answer to two decimal places.)
x²-
What can be said about the P-value for the test?
OP-value < 0.005
O 0.005 < P-value < 0.01
O 0.01 < P-value < 0.025
0.025 P-value < 0.05
0.05 < P-value < 0.10
OP-value>0.10
State the conclusion in the problem context.
Reject Ho. There is evidence that a candidate from such a family is more likely to be in one ordinal position than another.
◇ Fail to reject Ho. There is evidence that a candidate from such a family is more likely to be in one ordinal position than another.
◇ Fail to reject Ho. There is no evidence that a candidate from such a family is more likely to be in one ordinal position than another.
Reject Ho. There is no evidence that a candidate from such a family is more likely to be in one ordinal position than another.
You may need to use the appropriate table in the Appendix of Tables to answer this question.
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