If a researcher wants to make a statement with a 95% level of confidence, the margin of error is the standard error multiplied by
A) 1
B) 2
C) 3
D) 5

Question

Quizplus · Accepted Answer

The margin of error is determined by multiplying the standard error by a value called the critical value, which is based on the level of confidence and the sample size. For a 95% level of confidence, the critical value is 1.96. Therefore, the margin of error is 2 times the standard error (1.96 rounded to 2 decimal places).

If a Researcher Wants to Make a Statement with a 95