Lesson 2: Intro to Data Analysis

August 25, 2015

Wed, Aug 26

Review:

• Syllabus
• Textbook
• Blog setup
• Twitter account and tweet with blog link and #PuebloStats265
• Google Sheets

Presentation:

• Intro to Statistics Video
• Types of Data
  • Numeric
    • Discrete (counting)
    • Continuous (measuring)
  • Categorical (nominal)
  • Ordinal (ranking)
  • *Spatial
  • *Temporal
• Types of Analysis
  • Exploratory – looking for patterns
  • Descriptive – summarizing data
  • Inferential – estimating [highlight color=”options: yellow, black”]population[/highlight] parameters based on [highlight color=”options: yellow, black”]sample[/highlight] statistics
  • Experimental – testing for significance
  • Predictive – forecasting, simulation
  • Prescriptive – optimization

Assignment:

• Blog Assignment 2
  • Download or copy this Grade Data worksheet
  • Load the data in Google Sheets (your account)
  • Combine Sec 1, 2 and 3 so there are only 2 columns with all Scores and Grades
  • Sort using the Scores column from High to Low
  • Count the number of As, Bs, Cs, Ds and Fs (Bonus: use the “countif” function)
  • Post a table with counts to your blog
• Textbook Reading in Chapter 1 
  • p. 9-11 (Introduction and Definitions)
  • p. 13-14; 17 (Quantitative vs Qualitative)
  • p. 21-23 (Sampling)

Activity:

• Data Collection