Mathematics, 15.11.2019 12:31 aons
In 2014, students in an advanced statistics course at uc berkeley conducted an anonymous survey about use of cognition-enhancing drugs among college males. one survey group of males included members from a fraternity, and the other survey of males group included no fraternity members.
the standard error formula for the difference between sample proportions is
calculate the standard error for a survey comparing proportions of cognition-enhancing drug use of fraternity members to non-fraternity members, where
p
1
= 0.32,
n
1
= 123,
p
2
= 0.25,
n
2
= 92. round all calculations to the thousandth decimal place.
Answers: 3
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