101 A Mean, Median, Mode, Range Quartiles Lesson

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  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 10/25/09 Bitsy Griffin
  • 101 A Mean, Median, Mode, Range Quartiles Lesson

    1. 1. CALCULATOR LESSON Mean, Median, Mode, Minimum, Maximum, Range, & Quartiles Algebra 1.1 Bitsy Griffin
    2. 2. Essential Question <ul><li>How do I use my calculator to determine mean, median, mode, range and quartiles? </li></ul>Algebra 1.1 Bitsy Griffin
    3. 3. Vocabulary <ul><li>Minimum : </li></ul><ul><ul><li>Lowest value in data set (lower extreme) </li></ul></ul><ul><ul><li>Shown on Calculator as Min </li></ul></ul><ul><li>Maximum: </li></ul><ul><ul><li>Largest value in data set (Upper extreme) </li></ul></ul><ul><ul><li>Shown on Calculator as Max </li></ul></ul>Algebra 1.1 Bitsy Griffin
    4. 4. Vocabulary <ul><li>Range: </li></ul><ul><ul><li>Difference between max & min values </li></ul></ul><ul><li>Caution: </li></ul><ul><ul><li>Min and Max are not the first and last values! (you have to order the values first!) </li></ul></ul>Algebra 1.1 Bitsy Griffin
    5. 5. Vocabulary <ul><li>Quartiles: </li></ul><ul><ul><li>Divides data into four sets (after ordering from least to greatest) </li></ul></ul><ul><ul><li>Q1 – Quartile 1 (Lower quartile) </li></ul></ul><ul><ul><li>Med – Quartile 2 (Median) </li></ul></ul><ul><ul><li>Q3 – Quartile 3 (Upper quartile) </li></ul></ul><ul><li>InterQuartile Range </li></ul><ul><ul><li>Middle 50% (falls between Q1 & Q3) </li></ul></ul>Algebra 1.1 Bitsy Griffin
    6. 6. FOR FINDING MEAN, MEDIAN, QUARTILES, RANGE ON CALCULATOR (TI83/84) Tech Manual Algebra 1.1 Bitsy Griffin
    7. 7. Steps <ul><li>Enter a list </li></ul><ul><ul><li>Hit Stat key </li></ul></ul><ul><ul><li>Choose edit </li></ul></ul><ul><ul><li>Enter data in list 1 (push enter after each value) </li></ul></ul>Algebra 1.1 Bitsy Griffin
    8. 8. Steps <ul><li>Using the Info </li></ul><ul><ul><li>Hit Stat </li></ul></ul><ul><ul><li>Choose Calc </li></ul></ul><ul><ul><li>Choose 1: 1-Var </li></ul></ul><ul><ul><li>Push Enter twice </li></ul></ul>Algebra 1.1 Bitsy Griffin
    9. 9. 1-Var Stats <ul><li>Mean </li></ul><ul><ul><li>Top number listed </li></ul></ul><ul><li>Scroll down for everything else. </li></ul><ul><ul><li>They are all listed </li></ul></ul><ul><li>Do the appropriate math to find the range. </li></ul>Algebra 1.1 Bitsy Griffin
    10. 10. Steps to find Mode <ul><li>Hit the Stat key </li></ul><ul><li>Choose 2: SortA( </li></ul><ul><li>Hit 2 nd , then hit #1 </li></ul><ul><ul><li>This enters L1 to be sorted </li></ul></ul><ul><li>Hit Enter </li></ul><ul><li>Calculator shows Done </li></ul><ul><ul><li>The list has been put in order. </li></ul></ul><ul><li>To look at the ordered list: </li></ul><ul><ul><li>Hit Stat -- Edit </li></ul></ul><ul><ul><li>Find mode in list by comparing the numbers of each piece of data. </li></ul></ul>Algebra 1.1 Bitsy Griffin
    11. 11. Clear old data <ul><li>Clearing the old data out is important so you can start new lists. </li></ul><ul><li>Go to the List </li></ul><ul><li>Steps: </li></ul><ul><ul><li>Hit the up arrow </li></ul></ul><ul><ul><li>Hit Clear </li></ul></ul><ul><ul><li>Hit Enter </li></ul></ul>Algebra 1.1 Bitsy Griffin
    12. 12. Revisit Essential Question <ul><li>How do I use my calculator to determine mean, median, mode, range and quartiles? </li></ul>Algebra 1.1 Bitsy Griffin

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