Data Displays 101
Two-Way Frequency Tables
Comparing Data Sets
Shapes of Data Displays
Boxplots and Medians
100
The name of a graph that uses bars for categorical (qualitative) data.
What is a bar graph?
100
This is the number of students who use e-readers.
What is 50?
100
Of the data sets below, this one has the higher mean.
Data Set 1: {48, 86, 82, 92, 19}
Data Set 2: {49, 82, 94, 92, 14}
What is data set 2?
100
The data is skewed left, skewed right, or symmetric.
What is skewed right?
100
The five numbers that make up a five-number summary.
What are the minimum, Q1, median, Q3, and maximum.
200
The name of a graph that uses bars for quantitative data.
What is a histogram?
200
This is the PERCENT of people surveyed who are adults who read books.
What is 40%?
200
The two measures of spread for quantitative data.
What are Interquartile Range and Standard Deviation?
200
Compare the mean and median.
The mean is larger than the median.
200
This is the median of the data.
What is 25?
300
Points scored by a basketball team this season
The number of times that 75 was scored in a basketball game.
What is two?
300
This is the percent of students who read books.
What is 44%?
300
Between a box plot and a histogram, this on provides more detail about the spread of the data.
What is a box plot?
300
This many plants have a height of less than 9 inches.
What is 5?
300
This is the percent of data between 20 and 37.
What is 50%?
400
The name of a circular graph that divides data into percentages.
What is a pie chart?
400
This is the conditional of book type for adults.
What is 72% books and 28% e-readers?
400
The data set which would have the higher mean, given their five-number summaries.
Data Set A
Min: 10, Q1: 20, Med: 30, Q3: 40, Max: 50
Data Set B
Min: 5, Q1: 15, Med: 30, Q3: 40, Max: 50
What is Data Set A?
400
A histogram shows approximately symmetric data. You know this about the mean and the median.
What is they are equal.
400
The median of the number set:
{5, 13, 9, 7, 1, 9, 2, 9, 11}
What is 9?
500
It's the type of graph you could make if you had the median and the interquartile range.
What is a boxplot?
500
Is reading a book or e-reader independent of someone's age? (Hint: Calculate the conditional probability of type of book each age.
What is NO? (The percent of students who read books is 44% and the percent of adults who read books is 72%. Since the percentages are different, it shows an association between age and type of book)
500
This company would have a larger standard deviation.
What is Company A?
500
A possible value of the mean.
What is 275? (or another reasonable number above 250).
500
This is the equation to calculate the upper boundary for outliers.
Q3 + (1.5*IQR) = 37 + (1.5*17)