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