Question

What is the critical value used for finding the margin of error?

1) Z-score
2) T-score
3) Chi-square
4) F-score

Answer 1

The critical value used for finding the margin of error is the Z-score (option 1).

Step-by-step explanation:

The critical value used for finding the margin of error is the Z-score (option 1). The Z-score is a measure of how many standard deviations an element is from the mean in a standard normal distribution. It is used to determine the cutoff points for different confidence levels in a sample.