| |
|
AP Statistics Quiz Number 1 |
| |
|
|
|
1 |
) |
If a distribution is skewed to the high side, what is the relationship
between the median and the mean? |
| |
|
|
|
2 |
) |
Draw a distribution which is skewed to the right. |
| |
|
|
|
3 |
) |
Name 3 measures of central tendency. |
| |
|
|
|
4 |
) |
Give one example of a distribution which would likely be skewed to the
right. |
| |
|
|
|
5 |
) |
Draw the distribution for a coin flip. |
| |
|
|
| |
|
AP Statistics Practice Test Number 1 |
| |
|
|
|
1 |
) |
If a distribution is skewed to the high side, what is the relationship
between the median and the mean? |
| |
|
|
|
2 |
) |
Which of the following is true for a symmetrical distribution? |
| |
|
a) It can have several peaks b) mean = median c) both answers a and b
d) none of the answers |
| |
|
|
|
3 |
) |
If the standard deviation of a data set is 48, what is a reasonable range? |
| |
|
|
|
4 |
) |
If the standard deviation of a data set = 0, you can conclude
_____________________. |
| |
|
|
|
5 |
) |
When a data set contains an outlier, which measure of variability is
affected the least? |
| |
|
|
|
6 |
) |
About how much data is typically found in the interquartile range? |
| |
|
|
|
7 |
) |
Which plot will always consistently identify outliers regardless of who
makes the plot? |
| |
|
|
|
8 |
) |
Which plot could be used for categorical data? |
| |
|
|
|
9 |
) |
What can a stem and leaf plot can detect ? |
| |
|
|
|
10 |
) |
What is the relationship between the variance (var) and the standard
deviation (std dev)? |
| |
|
|
|
11 |
) |
When a data set has suspected outliers, what are the preferred measures of
central tendency and variability? |
| |
|
|
|
12 |
) |
What are the five numbers in a five number summary? |
| |
|
|
|
13 |
) |
Write formulas for the following: |
| |
|
standard deviation of a sample |
| |
|
|
| |
|
variance of a sample |
| |
|
|
| |
|
standard deviation of a population (hint: Zeus knows all about populations) |
| |
|
|
| |
|
variance of a population |