Stats: Modeling the World Nasta Edition Grades 9-12
Stats: Modeling the World Nasta Edition Grades 9-12
3rd Edition
ISBN: 9780131359581
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
Publisher: PEARSON
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Chapter PVII, Problem 12RE
To determine

To perform an appropriate test of hypothesis.

Expert Solution & Answer
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Answer to Problem 12RE

There is no evidence to support that there is an association between the duration of the pregnancy and the level of care received by the mother.

Explanation of Solution

Given:

  Stats: Modeling the World Nasta Edition Grades 9-12, Chapter PVII, Problem 12RE , additional homework tip  1

Calculation:

The null and alternative hypotheses:

H0: There is no association between the duration of the pregnancy and the level of care received by the mother.

Ha: There is an association between the duration of the pregnancy and the level of care received by the mother.

Using excel,

  Stats: Modeling the World Nasta Edition Grades 9-12, Chapter PVII, Problem 12RE , additional homework tip  2

  χ2=6.14

P-value = 0.1887

Decision: P-value > 0.05, fail to reject H0.

Conclusion: There is no evidence to support that there is an association between the duration of the pregnancy and the level of care received by the mother.

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