Review of Statistical Inference from STA 2023
Examples:
For each of the following examples, we will first determine which kind of
problem it is.
Then we will set the problem up as if to do by hand.
We will interpret the
Minitab output given for each problem.
1.
Do pregnant women who use cocaine have babies with lower birth weight than
women who do not use cocaine?
Pregnant women were tested for cocaine/crack, and
the birth weights of babies (in grams) were recorded and averaged for women who
tested positive, and those who tested negative separately.
n
s
Negative Test
5974
3118
672
Positive Test
134
2733
599
x
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