This document summarizes key topics from a math honors class, including measures of central tendency, descriptive statistics projects, and how to use the StatCrunch software. It discusses measures like mean, median, interquartile range, and standard deviation. It also covers the empirical rule, five number summary, boxplots, histograms, outliers, and how to generate graphs in StatCrunch. Students are instructed to work on a descriptive statistics project analyzing real data and calculating various metrics.

1. Math 119 Honors
SUSAN MCCOURT SPRING 2017
DAY 2

2. Last Time
• Syllabus
• Project 1
• IntroductoryVocabulary
• Descriptive Statistics
• Measures of Center
• Measures of Dispersion
• Survey

3. StatCrunch
• www.statcrunch.com
• Basic features
• Class space: MTH 119 Honors Spring 2017
• Resources tabs gives help document and links to videos to help you.
• Also consider looking for what you want on youtube

4. Descriptive Statistics
PROJECT 1 – PART 2

5. StatCrunch Applet:
Mean and Standard Deviation
• Follow the instructions
• Discover and build your intuition
• Take notes!
• Ask questions of me and each other
• HINT: start learning the vocabulary and notation

6. The Empirical Rule

7. Five Number Summary
• Breaks all of the sorted data into four quartiles, each with the same
number of data points.

8. Five
Number
Summary

9. Five
Number
Summary

10. Boxplot and Histogram

11. Interquartile Range and Fences
Build the Fences:
1. Multiply IQR by 1.5
2. Lower fence = Q1 – 1.5 IQR
3. Upper fence = Q3 + 1.5 IQR
Outliers (if any) are outside these fences.

12. Outliers and Fences on Boxplot

13. Boxplots and Histograms

14. StatCrunch: any numerical statistic
Mean
Median
IQR
Max
Standard deviation
Range

15. StatCrunch Graphs
Be sure to
select a
column and
then pick
features for
your graph.
Once you have
your graph
you can edit it
and choose
other features,
etc.

16. Project 1
• Course Material is covered
• Groups
• Data
• Other ?

17. Closing
• Questions?
• Statcrunch
• Survey