Question

Question 6
A data professional in the logistics industry wants to calculate the margin of error for a study about transportation route efficiency. They know the population size and sample size. What must they also know in order to accurately calculate margin of error?



Confidence level



Correlation



Distribution



Testing methodology


1 point

Answer 1

Confidence level

You need the confidence level to get the critical value (z or t) used in the margin-of-error formula (along with the sample/population size and standard deviation).