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? g

Question

Mathematics

Gabriel Kerr

7 August, 23:11

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? g

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Abril Keith · Answer 1

Yes. The sample data show a significant increase in the average birthrate at a 5% level of significance. We reject the null hypothesis (Mean = 6.6) and conclude the mean is greater than 6.6 lb.