06. 练习：实验 I
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: :
请为下列各数据集属性选出正确的数值。
ANSWER CHOICES:
|
属性 |
数值 |
|---|---|
|
3924 |
|
|
2996 |
|
|
6328 |
|
|
8188 |
|
|
4264 |
|
|
3332 |
SOLUTION:
|
属性 |
数值 |
|---|---|
|
2996 |
|
|
6328 |
|
|
8188 |
|
|
3332 |
SOLUTION:
4 个月SOLUTION:
- 浏览
- 点击
SOLUTION:
- 对照页面和实验页面可能有不同的访客总数。
- 就算某个版本的点击率更大，另一个版本也可能有更多的总点击数。
SOLUTION:
至少点击一次的单独访客数与浏览页面的单独访客数之比QUIZ QUESTION: :
请为本实验各假设选出正确的说法。
ANSWER CHOICES:
|
假设 |
说法 |
|---|---|
|
CTR new - CTR old < 0 |
|
|
CTR new - CTR old <= 0 |
|
|
CTR new - CTR old >= 0 |
|
|
CTR new - CTR old > 0 |
SOLUTION:
|
假设 |
说法 |
|---|---|
|
CTR new - CTR old <= 0 |
|
|
CTR new - CTR old > 0 |