13. Other Language Associated with Confidence Intervals
QUIZ QUESTION::
Imagine we build a confidence interval for a population mean to obtain a confidence interval with an upper bound of 20 and a confidence interval width of 8. Use this information to provide the value to each of the corresponding additional values.
ANSWER CHOICES:
|
Description |
Value |
|---|---|
Upper Bound of the Confidence Interval |
|
Lower Bound of the Confidence Interval |
|
The Margin of Error |
|
The Sample Mean |
SOLUTION:
|
Description |
Value |
|---|---|
|
Lower Bound of the Confidence Interval |
|
|
The Sample Mean |
|
|
Upper Bound of the Confidence Interval |
|
|
The Margin of Error |
SOLUTION:
- If you increase your sample size, holding all other items constant, your confidence interval will narrow.
- If you increase your confidence level, holding all other items constant, your confidence interval will widen.