Home Work: #1
Student Learning Outcomes
• The student will construct a histogram and a box plot.
• The student will calculate univariate statistics.
• The student will examine the graphs to interpret what the data implies.
Collect the Data
Record the number of pairs of shoes you own.
1. Randomly survey 30 classmates about the number of pairs of shoes they own. Record
their values.
Survey Results
_____ _____ _____ _____ _____
_____ _____ _____ _____ _____
_____ _____ _____ _____ _____
_____ _____ _____ _____ _____
_____ _____ _____ _____ _____
_____ _____ _____ _____ _____
2. Construct a histogram. Make five to six intervals. Sketch the graph using a ruler and
pencil and scale the axes.
Figure 2.9.1
3. Calculate the following values.
a. x¯
b. s
4. Are the data discrete or continuous? How do you know?
5. In complete sentences, describe the shape of the histogram.
6. Are there any potential outliers? List the value(s) that could be outliers. Use a formula to
check the end values to determine if they are potential outliers.
Analyze the Data
1. Determine the following values.
a. Min = _____
b. M = _____
c. Max = _____
d. Q1 = _____
e. Q3 = _____
f. IQR = _____
2. Construct a box plot of data
