1 / 8

Reading & Analyzing Graphs Review

Reading & Analyzing Graphs Review. Misleading Graphs. Frequency Table. A frequency table shows the number of times each data item appears in an interval. The table should have the intervals in the first column, tally in the second and frequency in the third. Time Tally Frequency

garvey
Download Presentation

Reading & Analyzing Graphs Review

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. Reading & Analyzing Graphs Review

  2. Misleading Graphs

  3. Frequency Table A frequency table shows the number of times each data item appears in an interval. The table should have the intervals in the first column, tally in the second and frequency in the third. Time Tally Frequency 10-19 IIII 4 20-29 0 30-39 IIII 5 40-49 IIII 4 50-59 0 60-69 III 3

  4. Bar Graph • A bar graph is similar to a line plot. • A bar graph is a graph using bars to show data. • Bar graphs can be vertical or horizontal.

  5. Line Plot Example Spelling Test Grades • What is the mean? • What is the median? • What is the mode? • What is the range? 89 90 90 25

  6. The stem-and-leaf plot shows the lengths, in millimeters, of fish in a tank. • 4 9 • 5 7 7 9 • 6 1 2 4 4 7 8 8 9 • 7 6 8 • 4 Stem-and-Leaf Plot Example EXAMPLE 2 • What is the mean? • What is the median? • What is the mode? • What is the range? 66 64 57, 64, and 68 35

  7. Box and Whisker Plot Example Minutes spent on homework each night Find the following values: Minimum: Maximum: Range: Median: Lower Quartile: Upper Quartile: Interquartile Range: 25 95 95-25 = 70 75 65 90 90-65 = 25

  8. Skills Check! When you finish turn your paper over and put it on the corner of your desk. No talking. Practice: Measures of Center Review Worksheet.

More Related