Homework Help: Statistics

Posted by Christie on Tuesday, May 15, 2012 at 8:51am.

The Centers for Disease Control and other organizations are interested in the health benefits of breastfeeding for infants. The National Immunization Survey includes questions about breast-feeding practices, including the questions about breast-feeding practices, including the question: “How long was [your child] breast-fed or breast fed milk?” The data for duration of breast-feeding in months for 20 hypothetical mothers are presented below:
0 7 0 12 9 3 2 0 6 10
3 0 2 1 3 0 3 1 1 4

Create a grouped frequency table for these data with three groups (create groupings around the midpoints of 2.5 months, 7.5 months, and 12.5 months)

Statistics - PsyDAG, Tuesday, May 15, 2012 at 3:20pm
With midpoint of 2.5, the grouping would include values 0-5. For 7.5, it would include 6-9. 12.5 would include 10 and above.

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