Math 119 HonorsSUSAN MCCOURT
Course Information• Syllabus• Contacting the Instructor• Required materials• Prerequisites• Teaching Procedures and Learning Activities• What makes this course Honors• Grading• Projects• Support Services
Descriptive StatisticsPROJECT 1
Graph 1: Earned Run Averages (ERAs) for Cy Young Award Winners 1968-2015
Graph 2: Earned Run Averages (ERAs) for Cy Young Award Winners 1968-2015
Decimal point is at the colon.Leaf unit = 0.11 : 121 : 566888992 : 0122223333444442 : 555555666677778888993 : 0111
Graph 3:Rock and Roll Hall of Fame Inductees
Graph 4:Rock and Roll Hall of Fame Inductees Number of Top 40 Hits
Graph 5:Rock and Roll Hall of Fame Inductees – People (number of people in Band)
Graph 6: Summer Olympic Medals 1896 – 2008
Graph 7:Age of the 25 world’s Richest People
Graph 8:Pima Indians Glucose Test Results
Descriptive StatisticsSUMMARIZE A DATA SET WITH WORDS AND/OR MEASUREMENTS
DATA: Population or Sample?
Data ClassificationData
Quantitative
DiscreteContinuous
Qualitative
Frequency or Relative FrequencyFREQUENCY RELATIVE FREQUENCY
Histogram
Shape of Distributions
Measures of Center
Resistance
A statistic is called resistant if extreme values of the data do not affect it substantially.
Shape relates to measures of center
More on mode:
Dispersion: the spread of a data distribution
Dispersion: Range and Standard Deviation• Range = Maximum – Minimum• Variance and Standard Deviation: a way to consider the
mean distance from each data point to the mean
•Variance = Standard Deviation =
Closing• Questions?• Statcrunch• Survey