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ReviewStatInferenceFA10 - Review of Statistical Inference...

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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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