Lesson 4: Measures of Central Tendency

August 31, 2015

Wed Sep 2

Review:

• Stemplots and Histograms

Presentation:

• Measures of Central Tendency
  • Mean
  • Median
  • Mode
• Video: Measures of Center

Activity:

• Determine the mean, median and mode for the following data:
  • Data set 1: {2, 4, 8, 4, 6, 2, 7, 8, 4, 3, 8, 9, 4, 3, 5}
  • Data set 2: {7, -2, 5, 9, 0, -3, -6, -7, -4, -5, 2, -8}
  • Data set 3: {213, 345, 609, 73, 167, 243, 444, 524, 199, 682}

Assignment:

• Use Google Sheets for the following
  • Calculate the mean and median of the distance from campus variable in Q2_Text
  • Calculate the mean and median % Free-Reduced Lunch in D60-Elem
  • Calculate the mean and median of Sales Price in PuebloRE-2014YTD-SF-Sales
• Post results to your blog
• Read p. 98-100 Measures of the Center of Data