Ch. 19: Confidence Intervals for Proportions
Objectives:
Key Vocabulary:
Key Vocabulary:
- standard error
- confidence level
- confidence interval
- margin of error
- critical value
- one-proportion z-interval
Intro to Confidence IntervalsPay attention to:
How to get 95% confidence and what this means. How to to get the z-score & write your intervals |
p-hat , z-score , critical valuesPay Attention to:
What are critical values? Interpretation of the answer |
Extra Problem done fastPay attention to:
How the use of the calculator can shorten your time. What are the calculator steps. |