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Home Q & A Board Science-Related Homework Help Psychology
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Unique12312 Unique12312
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6 years ago
The data in the previous question show a much higher incidence of low birth weight babies from mothers who smoke. This finding is likely to be a reliable one because
 
  a. everyone knows that smoking is a bad thing.
  b. the smokers rate of low birth weight is twice that of the non-smokers.
  c. the pattern of differences occurs reliably over each of 5 years.
  d. there is a general increase in low birth weight over the years.

Question 2

A stem-and-leaf display is often
 
  a. a simplified representation of the underlying data.
  b. a quick way to draw a histogram.
  c. more informative than the corresponding histogram.
  d. all of the above

Question 3

When we plot a histogram, the values on the X axis are
 
  a. the real lower limits and real upper limits
  b. the midpoints
  c. the integers closest to the boundaries.
  d. any of the above, depending on what makes the most sense at the time
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lizzynorrislizzynorris
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6 years ago
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Unique12312 Author
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6 years ago
this is exactly what I needed
annielin111
wrote...

Yesterday
Good timing, thanks!
patyfeitosa
wrote...

2 hours ago
Smart ... Thanks!
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