12. 指标——平均课室逗留时长
Workspace
This section contains either a workspace (it can be a Jupyter Notebook workspace or an online code editor work space, etc.) and it cannot be automatically downloaded to be generated here. Please access the classroom with your account and manually download the workspace to your local machine. Note that for some courses, Udacity upload the workspace files onto https://github.com/udacity , so you may be able to download them there.
Workspace Information:
- Default file path:
- Workspace type: jupyter
- Opened files (when workspace is loaded): n/a
QUIZ QUESTION: :
请为下列指标选出正确的数值
ANSWER CHOICES:
|
指标 |
数值 |
|---|---|
|
0.0384 |
|
|
0.0142 |
|
|
75.2937 |
|
|
73.3690 |
|
|
74.9287 |
|
|
1.3026 |
|
|
74.6716 |
|
|
10.2409 |
SOLUTION:
|
指标 |
数值 |
|---|---|
|
0.0384 |
|
|
73.3690 |
|
|
1.3026 |
|
|
74.6716 |