Answer :
The point estimate for a 90% confidence interval for the difference of the proportions of heavy drinkers between men and women is 0.8922.
What is point estimate?
Point estimation is a technique used in statistics to choose a single value that will serve as the "best guess" or "best estimate" of an unidentified population characteristic. More precisely, it is the process of applying a point estimator to the data in order to get a point estimate. A form of statistical inference known as "point estimate" is making an educated prediction or approximation about an unknown parameter.
Here,
Out of 100, the success is 90,
point estimate=90/100
The difference in the percentage of heavy drinkers between men and women is estimated as 0.8922 with a 90% confidence range.
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