Confidence intervals: Statistics Free Practice Problems & Quiz Questions
In a survey of 1600 people, 20 % say yes. What is the margin of error of the 95% confidence interval for the proportion, in percentage points? (z = 1.96)
In a survey of 1600 people, 20 % say yes. What is the margin of error of the 95% confidence interval for the proportion, in percentage points? (z = 1.96)