Please help I need all of them right to get the point and I only have one attempt left.
Ans:
a)Observational study(as no treatments are used)
b)Each type of pollution measured by the air quality monitoring stations
c)Are preterm births associated with air pollutants levels.
d)All human babies
e)The 143,196 births
f)No,because this is an observational study.
(we need to conduct experiment for establishing causal relationship)
Please help I need all of them right to get the point and I only have...
can i get some help on this question please, thanks! The values below shows the number of new stores in a coffee shop chain that opened during the years 1986 through 1994. 1986, 14 1987, 27 1988, 48 1989, 80 1990, 110 1991, 153 1992, 261 1993, 403 1994, 681 Use your TI to create two lists L1 for year, L2 for number of new stores. Then create a third list L3 which takes Ln(L2) -- the natural log of...
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