1. Algebra 1B – Notebook Entry #_____ Name: _________________________
Graphical Displays of Data Fill In Notes Date: _________________________
Objective: To create, read, and interpret graphical displays of data.
Stem & Leaf Plot
Example 1 – Create a Stem and Leaf Plot of the following test scores: {81, 72, 63, 65, 80, 54, 92, 88, 72, 71, 66, 80, 83, 59, 50, 94}
Example 2 – Create a Stem and Leaf Plot of the following data set: {5.6, 7.8, 7.1, 9.3, 6.6, 6.0, 7.0, 5.3, 5.8, 8.8, 6.6, 6.3, 9.0, 7.3, 8.4, 8.0, 7.0, 9.9, 5.5, 5.3, 6.6}
Example 3: The following stem-and-leaf plot shows the weight of students' dogs in pounds.
Key 10|2 = 102 pounds
What is the ___________ of the weights?
A) _____ pounds
B) _____ pounds C) _____ pounds D) _____ pounds
Example 4 - Reading a Stem & Leaf Plot
How many data points? _______
What is the minimum? ________
What is the median? _________
What is the maximum? ________
What is the range? __________
Key: 3 | 1 = 31

2. Box & Whisker Plot
Characteristics:
The _______ begins at _____________________ and ends at ___________________.
There is a _______________________ at the _______________.
The Whiskers extend from the ends of the box:
The _________ one ends at the ________________.
The _________ one ends at the _________________.
Minimum: _______
Quartile 1: ______
Median: _________
Quartile 3: _______
Maximum: _______
Range: ___________
Interquartile Range: _______
Example 2 – Organize the following data into a Box Plot.
{4, 233, 15, 4, 197, 1, 231, 285, 278, 39} __________________________________
Minimum: _______
Quartile 1: ______
Median: _________
Quartile 3: _______
Maximum: _______
Range: ___________
Interquartile Range: _______
Example 3 – Organize the following data into a Box Plot.
{7, 26, 26, 28, 29, 29, 32, 33, 37, 37, 39, 40, 41, 44, 48, 52, 53, 63, 88, 96}
Minimum: _______
Quartile 1: ______
Median: _________
Quartile 3: _______
Maximum: _______
Range: ___________
Interquartile Range: _______

3. Example 4 – 110, 112, 117, 125, 125, 126, 127, 130, 134, 143, 150, 160, 170, 172, 185
Minimum: ______
Quartile 1: _____
Median: ______
Quartile 3: ______
Maximum: ______
Range: _________
IQR: _______
Mode: _________
Example 5 - When helping her little sister with her homework, Monique picked some products randomly from the multiplication chart. The products are represented by the box plot below.
Example 6 - The line plot below shows the number of hours each student in Ms. Smith's class exercise each week. What is the mean of the data in the graph?

4. Example 7 - Halle planted mint and basil seeds in her herb garden
Example 7 - Halle planted mint and basil seeds in her herb garden. She measured the height of each herb plant at the end of each week for six weeks. The results are show in the line graph below.
What is the difference in the mean growth per week for both herbs during the six weeks shown in the graph?
Example 8 - The graph below shows the relationship between a team's salary and their winning percentage in a professional
sports league.
Which of the following is a valid conclusion based on the graph?
A) As a team's salary decreases, its winning percentage increases.
B) As a team's salary increases, its winning percentage decreases.
C) There is no relationship between salary and its winning percentage.
D) As a team's salary increases, its winning percentage increases.
Example 9 - A company made a bar graph showing the amount of sales for each month in thousands of dollars. Which of the following is the closest to the range of sales for the fourth month period?