28. Quiz: Descriptive vs. Inferential (Udacity Students)
Population, Parameter, Sample, Statistic
QUIZ QUESTION: :
Identify the population, parameter, sample, and statistic for the below scenario:
Consider we are interested in the average number of hours slept by all Udacity students (100,000 students). I send an email to all Udacity students, but I only receive 5,000 response emails. The average amount of sleep of those that responded was 6.8 hours of sleep.
ANSWER CHOICES:
|
Term |
Description |
|---|---|
|
6.8 hours of sleep |
|
|
We cannot know for sure. |
|
|
We cannot know for sure. |
|
|
All Udacity students |
|
|
5,000 Udacity students |
|
|
6.8 hours of sleep |
SOLUTION:
|
Term |
Description |
|---|---|
|
6.8 hours of sleep |
|
|
We cannot know for sure. |
|
|
We cannot know for sure. |
|
|
All Udacity students |
|
|
5,000 Udacity students |
|
|
6.8 hours of sleep |