Misc. Unit 1
What type of variable is being described below?
Favorite Flavor of Starburst
Categorical
What percentage of the values in a distribution does each quartile represent?
25%
What is the helpful acronym for describing the distribution of one variable?
Shape
Center
Variability
Unusual features
Which U.S. state has the most national parks?
California: 9
Is it ok to have pineapple on pizza?
Of course :)
What's the formula for finding a low outlier when using the IQR?
low < Q1 - 1.5(IQR)
What percentage of the values in a distribution does the IQR represent?
Describe the Shape of the distribution.
The distribution of exam scores is skewed to the left.
What aquarium has the live cam of jellyfish Mr. G shows all the time in class?
Monterey Bay Aquarium
Which Shrek movie is the best?
Shrek 2
What's the formula for finding a high outlier when using the IQR?
High > Q3 + 1.5(IQR)
What descriptor of a distribution's shape can you see in a histogram that you can't in a boxplot?
Peak
Describe the Center of this distribution.
About half of the exam scores are below 83 and about half are above. The mean of the exam scores is less than the median.
Which U.S. National Park is home to the lowest point on land?
Death Valley National Park
Which Teenage Mutant Ninja Turtle is the best?
Michelangelo
If the distribution is skewed to the right, is the median less than, equal to, or more than the mean?
Median < mean
What descriptor of the center of the distribution can you clearly see in a boxplot that you can't in a histogram?
Median (or Q1 and Q3)
Describe the Variability of the distribution.
The middle 50% of exam scores ranges between 72 and 90. The exam scores, as a whole, range from 23 to 96.
What is the national slogan for Costa Rica?
pura vida
Which Harry Potter movie is the best?
Prisoner of Azkaban
True or False. The standard deviation is the typical distance away from the median.
False.
If the distribution is skewed to the left, which distance ('whisker') is most likely longer? Q1-minimum? or Maximum-Q3?
Q1-minimum
Describe the Unusual feature(s) in the distribution.
There is a low outlier of an exam score of 23 with a gap between this outlier and an exam score of 57.
What is the name of one of Mr. G's dogs?
Olive / Zeus
What's the best color?
Green (or pink)