1 / 8

Texas Algebra I Unit 3: Probability/Statistics

Learn how to create and interpret stem and leaf plots for organizing data sets, calculating central tendencies, and identifying key information quickly. Master the mode, median, and range with visual data representations.

charrell
Download Presentation

Texas Algebra I Unit 3: Probability/Statistics

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Texas Algebra IUnit 3: Probability/Statistics Lesson 27: Stem and Leaf Plots

  2. Lesson Objectives:TEKS The student will be able to: • Define Stem and Leaf Plot and identify key components • Interpret data given in a stem and leaf plot • Organize a given data set into a stem and leaf plot • Use a stem and leaf plot to identify/calculate mode, median, and range.

  3. Stem and Leaf plot- A stem and leaf diagram provides a visual summary of your data. This diagram provides a partial sorting of the data and allows you to detect key information quickly. leaf stem key = 32 Must have a key in order to interpret data properly!!

  4. Analysis of data leaf stem key = 32 This data set has 14 entries: 30, 30, 31,32, 40, 41, 56, 59, 59, 62, 71, 74, 75, 79

  5. Analysis of data leaf stem key = 32 Purpose of plot is to make it simple to find 3 of 4 of the measures of central tendency. Look at plot to find: Mode: 30, 59 Median: average 56 and 59→ 57.5 Range: 79 - 30 = 49

  6. Analysis of data: another example = 0.5 Find the mode, median, and range of this set.

  7. Putting given set in plot Here is the data set: {25, 45, 89, 45, 42, 23, 74, 45, 28, 52, 36, 38, 69, 23} • Draw your table • Decide on stem’s place value (write key) • Place numbers in table • Re-order if necessary

  8. Lesson Objectives:TEKS The student will be able to: • Define Stem and Leaf Plot and identify key components • Interpret data given in a stem and leaf plot • Organize a given data set into a stem and leaf plot • Use a stem and leaf plot to identify/calculate mode, median, and range.

More Related