Coleman Trivia
Boxplots and Outliers
Measures of Spread
Measures of Center
From the Quiz Review
100
How many children does Ms. Coleman have?
What is two?
100
Individual data point that falls outside the overall pattern of the graph
What is an Outlier
100
Q3 - Q1
What is interquartile range (IQR)?
100
The middle data point, or the average of the two middle data points, if all data is arranged in order
What is median?
100
How are histograms different from bar graphs (2 ways)
What is...
-Histograms are for quantitative data, bar graphs are for categorical
-Histograms bars touch, bar graphs they do not
200
Name a college Ms. Coleman has a degree from
What is Miami or Cleveland State?
200
How can you tell on a box plot if there is an outlier?
Outliers are plotted individually as dots
200
Maximum-Minimum
What is range
200
What you get if you sum all values and divide by the number of data points
What is mean?
200
List some comparing words you might use when prompted to compare the center of two data sets
What is...
higher, lower, more, less, above, below,...
300
Where does Ms. Coleman live?
What is Dublin area/Delaware County
300
What is the IQR for this data? You may need to estimate slightly for Q1 and Q3, show your work.
What is Approximately 48-31=17
300
if a data set is skewed right, which measure of center should be used?
What is the IQR
300
Which measure of center is resistant to outliers?
What is the median (and mode)?
300
What does VSCO stand for and when do you use it?
What is Variability, Shape, Center, Outliers. Use to remember what you need to describe or compare in quantitative data
400
How long has Ms. Coleman been a teacher?
What is 14 years
400
Write the TWO inequalities you use to check for LOWER and UPPER outliers
Lower Outlier < Q1-1.5(IQR)
Upper Outlier > Q3+1.5(IQR)
400
If the data does not contain skew or outliers, what measure of spread is preferred?
What is standard deviation?
400
The value that occurs most frequently in a given set of data, also called the "peak"
What is mode?
400
If 200 people were surveyed and 18% said their vehicle was white, how many people surveyed said their vehicle was white?
What is 36 people
500
What is Ms. Coleman's favorite type of book/movie/show?
What are murder mysteries?
500
Calculate if there is an outlier in the data set, SHOW YOUR WORK:
0, 0, 4, 4, 6, 7, 8, 12, 21
What is no, there are no outliers.
Q3=(12+8)/2=10
Q1=(4+0)/2=2
IQR=10-2=8
10+1.5(8)=22 (no values are past 22)
2-1.5(8)=-10 (no values are past -10)
500
Steps:
Calculate the average, find the distance between each individual data point and the average, square them, sum them, divide by the number of data points, then square root that
What is the Standard Deviation
500
What are the five numbers given in a "five number summary"?
What are
minimum, Q1, median, Q3, and maximum?
500
Give an example of a categorical variable that's response would be a number
What is...
-ZIP code, area code/phone number, Social Security Number, address, interval response (ex: age 14-18 or 18-24), any time a number is used in place of a word (ex: enter 1 for yes and 0 for no), others?