27. Quiz: Connecting Errors and P-Values
QUIZ QUESTION::
For each p-value, alpha pair below: state whether you would reject the null or fail to reject the null.
ANSWER CHOICES:
|
p-value/alpha |
Conclusion |
|---|---|
p-value = 0.03, alpha = 0.05 |
|
p-value = 0.20, alpha = 0.01 |
|
p-value = 0.10, alpha = 0.05 |
SOLUTION:
|
p-value/alpha |
Conclusion |
|---|---|
|
p-value = 0.03, alpha = 0.05 |
|
|
p-value = 0.20, alpha = 0.01 |
|
|
p-value = 0.10, alpha = 0.05 |
|
|
p-value = 0.20, alpha = 0.01 |
|
|
p-value = 0.10, alpha = 0.05 |
|
|
p-value = 0.20, alpha = 0.01 |
|
|
p-value = 0.10, alpha = 0.05 |
|
|
p-value = 0.03, alpha = 0.05 |
|
|
p-value = 0.03, alpha = 0.05 |
QUIZ QUESTION::
Use what you know about p-values and errors to match each term to the correct definition.
ANSWER CHOICES:
|
Definition |
Term |
|---|---|
The threshold for type I errors. |
|
The worst type of error. |
|
Deciding the null is true, but really the alternative is true. |
|
Deciding the alternative is true but really the null is true. |
|
The choice made when the p-value is less than alpha |
SOLUTION:
|
Definition |
Term |
|---|---|
|
Deciding the null is true, but really the alternative is true. |
|
|
The threshold for type I errors. |
|
|
Deciding the null is true, but really the alternative is true. |
|
|
The choice made when the p-value is less than alpha |
|
|
The worst type of error. |
|
|
Deciding the alternative is true but really the null is true. |
|
|
The worst type of error. |
|
|
Deciding the alternative is true but really the null is true. |