Computer LAB (Thursday, 2/25/2016)
Group members: _____________________________________________________________________
_____________________________________________________________________
Instructions
1. Choose a quantitative variable from the survey you participated.
Variable: _______________________________________
2. Use Statcrunch to create a dot plot, histogram, and boxplot for the data.
Dot Plot:
Histogram:
Boxplot:
3. Analyze the data set.
(a) Describe the data using shape, center, & spread. Is there any outlier?
Shape: what is the overall shape of the data set?
Center: What is the best measure of Center and how did it relate to the shape?
Spread: What is the best measure of Spread and how did it relate to the shape?
4. Find the following sample statistics for the data set. Write a brief description of each of these sample
statistics and what it is used. Explain their meaning of each number found for the column of data
that you have been assigned.
Minimum value, Maximum value, Mean, Median, Mode, Q1, Q3, Range, IQR, and Standard Deviation.
5. Answer the following questions. What did you learn about the students in the class from your
analysis? Provide a conclusion paragraph summarizing your findings.