| X | Y |
|---|---|
| 3 | 4 |
| 5 | 4 |
| 4 | 7 |
| 8 | 13 |
| 15 | 2 |
Quizzes
Each chapter has 2 accompanying quizzes.
Example questions
Here are a few examples questions that are similar to ones you will see on quizzes. There is no penalty for guessing on quizzes! It behooves you to answer every question, even if you’re unsure of the answer. Be sure to choose the best answer from the choices given as occasionally there will be multiple correct answers but only one best answer.
True for false
The following is the equation for determining the standard error of the mean.
\[\sigma = \sqrt {\mu _2 }\]
Multiple choice
Upon viewing the distribution in test scores, you notice it is negatively skewed. Does this mean most students scored poorly (ie, had low scores)?
a) no
b) yes
c) need more information
Use a data set
Given the following dataframe:
What is the mean of Y?
a) 2
b) 4
c) 5
d) 6
e) Not possible to determine given data