06. Quiz: Experiment I

Code

If you need a code on the https://github.com/udacity.

QUIZ QUESTION::

Match the correct value for each of the following characteristics of this dataset

ANSWER CHOICES:



Characteristic

Value

Total number of actions

Number of unique users

Control group size

Experiment group size

SOLUTION:

Characteristic

Value

Experiment group size

Total number of actions

Control group size

Number of unique users

About how long was this experiment run for?

SOLUTION: 4 months

What action types are recorded in this dataset? Select all that apply.

SOLUTION:
  • view
  • click

Why would we use click through rate instead of number of clicks to compare the performances of control and experiment pages? (Choose all that apply.)

SOLUTION:
  • The control and experiment pages could have different numbers of total visitors
  • More total clicks could occur in one version, even if there is a greater percentage of clicks in the other version.

Choose the correct definition for the click through rate (CTR) in this experiment.

SOLUTION: The number of unique visitors who click at least once divided by the number of unique visitors who view the page

QUIZ QUESTION::

Match the correct statement for each hypothesis in this experiment

ANSWER CHOICES:



Hypothesis

Statement

Null

Alternative

SOLUTION:

Hypothesis

Statement

Alternative

Null