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How to Teach Modern Statistics When You Don’t Have Modern Technology. Jon Oaks Macomb Community College ECOTS Poster Presentation. The Problem. The Steak Problem.

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how to teach modern statistics when you don t have modern technology

How to Teach Modern Statistics When You Don’t Have Modern Technology

Jon Oaks

Macomb Community College

ECOTS Poster Presentation

the steak problem
The Steak Problem

One purpose of displaying data graphically is to provide clues about trends. The given values are weights (ounces) of steaks listed on a restaurant menu as "20 ounce porterhouse" steaks. The weights are supposed to be 21 ounces because they supposedly lose an ounce when cooked. Create a frequency distribution with 5 classes. Based on your distribution, comment on the advertised "20 ounce" steaks.

17 20 21 18 20 20 20 18 19 19

20 19 21 20 18 20 20 19 18 19

Source: Test Bank for Elementary Statistics, 11thEdition, Triola.

slide4

Extending the Problem

  • Summarizing and Graphing Data
    • Cumulative Frequency Distribution
    • Relative Frequency Distribution
    • Percent Frequency Distribution
    • Histogram
    • Relative Frequency Histogram
slide5

Extending the Problem

  • Describing and Exploring Data
    • Mean
    • Median
    • Mode
    • Midrange
    • Mean from Frequency Chart
    • Standard Deviation
    • Quartiles
    • Percentiles
slide6

Extending the Problem

  • Probability

Suppose that in addition to steak, the restaurant also serves chicken. The weights of 20 pieces of chicken are as follows:

17 19 17 21 17 21 18 21 19 21

20 17 20 18 19 20 20 17 21 20

slide7

Extending the Problem

  • Find each of the following probabilities:
    • P(chicken)
    • P(not steak)
    • P(chicken or 17oz)
    • P(steak and 20oz)
    • P(not chicken or 18oz)
    • P(not chicken and 18oz)
    • P(not chicken and not 18oz)
    • P(chicken and 19oz)
    • P(not 21oz)
    • P(not chicken and not steak)
    • P(not chicken or not steak)
slide8

Other Initiatives

  • Rearranged classroom desks so that students are working in small groups of six students.
  • Used In-Class Activities, some of which I have posted online at http://bit.ly/algebragames
  • Implemented Mathematics On Target Tutoring (MOTT) Supplemental Instruction Sessions for Statistics Courses
slide9

Other Initiatives

  • Required use of TI-84 with Updated Operating System
  • Used ‘StatViz’ app on the iPad to help students visualize statistics
  • Encouraged students to do homework online and to only buy the eBook.
  • Supplemented course materials via ‘Web Enhancement’ with the College’s Learning Management System
slide10

Contact Information

Jon Oaks

Macomb Community College

http://www.jonoaks.com

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