The Mean Weight of Newborn Infants at a Community Hospital

question 108

Multiple Choice

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 at birth are recorded as 9.0, 7.3, 6.0, 8.8, 6.8, 8.4, and 6.6 pounds. Does the sample data show a significant increase in the average birthrate at a 5% level of significance?

• A) Fail to reject the null hypothesis and conclude the mean is 6.6 lb.
• B) Reject the null hypothesis and conclude the mean is lower than 6.6 lb.
• C) Reject the null hypothesis and conclude the mean is greater than 6.6 lb.
• D) Cannot calculate because the population standard deviation is unknown.

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Definitions:

Empirical Knowing

Knowledge gained through observation, experience, or experiment rather than through theory or pure logic.

Ethical Knowing

The aspect of nursing knowledge that consists of understanding moral principles and ethical dilemmas, allowing nurses to deliver care that respects patients' values and dignity.

Emancipatory Knowing

Knowledge that enables understanding of the social, political, and economic forces affecting people’s lives, fostering empowerment and liberation.

Moral Component

The ethical dimension or aspect of nursing and healthcare practices, emphasizing the values and moral decisions involved in providing care to patients.