Examlex
Among a sample of 50 MDs (medical doctors) in the city of Memphis, Tennessee, 10 indicated they make house calls; while among a sample of 100 MDs in Atlanta, Georgia, 18 said they make house calls. Determine a 95% interval estimate for the difference between the proportions of doctors who make house calls in the two cities.
Center Line
A reference line in a chart or graph that represents the average or median of the data points.
Compressive Strength
The capacity of a material or structure to withstand loads that tend to reduce size.
Injection Molding
A manufacturing process for producing parts by injecting molten material into a mold.
Out-Of-Control Signal
A statistical term referring to a point on a control chart that falls outside the predetermined control limits, indicating a potential process anomaly.
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