Statistical Inferences

Question 18 • EAP-Algebra Functions and Data Analysis B CR

Which of the following did you include in your explanation?

Answer

To find the margin of error, multiply the z-score by the standard deviation, then divide by the square root of the sample size.

The z*-score for a 90% confidence level is 1.645.

The margin of error is 0.20.

The confidence interval is 48.3 to 48.7.

48.8 is not within the confidence interval.

Assignment

Assignment

Statistical Inferences