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    Hypothesis Test - t-test weight of newborn babies

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    The mean weight of newborn infants at a community hospital is 6.6 pounds. A sample of seven infants is randomly selected and their weights are recorded as 9.0; 7.3; 6.0; 8.8; 6.8; 8.4; and 6.6 pounds. What is the decision for a statistical significant change in average weights at birth at the 5% level of significance?

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    https://brainmass.com/statistics/hypothesis-testing/hypothesis-test-ttest-weight-newborn-babies-190803

    Solution Preview

    The mean weight of newborn infants at a community hospital is 6.6 pounds. A sample of seven infants is randomly selected and their weights are recorded as 9.0; 7.3; 6.0; 8.8; 6.8; 8.4; ...

    Solution Summary

    This post answers a problem on hypothesis testing. The concepts covered by the problem includes test for mean, understanding critical region, calculating t-statistics, conducting t test.

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