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1 Press Ctrl-A ©G Dear 2010 – Not to be sold/Free to use Range and IQR With Stem-and-Leaf Stage 6 - Year 11$ Applied Mathematic (Preliminary General 1)

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Presentation on theme: "1 Press Ctrl-A ©G Dear 2010 – Not to be sold/Free to use Range and IQR With Stem-and-Leaf Stage 6 - Year 11$ Applied Mathematic (Preliminary General 1)"— Presentation transcript:

1 1 Press Ctrl-A ©G Dear 2010 – Not to be sold/Free to use Range and IQR With Stem-and-Leaf Stage 6 - Year 11$ Applied Mathematic (Preliminary General 1)

2 2 Interquartile Range = Q3 – Q1 End of Slide Stem Leaf First find median. There are 27 scores. Median = 14 th score. (The middle score.) Median = 32.

3 3 Interquartile Range = Q3 – Q1 End of Slide Stem Leaf Now find Q1. There are 13 scores in the lower half. Q1 = 7 th score. (The middle score.) Q1 =

4 4 Interquartile Range = Q3 – Q1 End of Slide Stem Leaf Next find Q3. There are 13 scores in the upper half. Q3 = (14+7) st score. (The middle score.) Q3 = st score

5 5 Interquartile Range = Q3 – Q1 End of Slide Stem Leaf IQR = = 29 Range =52- 1 = 51

6 6 Interquartile Range = Q3 – Q1 End of Show Stem Leaf = (21+23)÷2 = 22 Q1 = = 9 Q3 = = 34 IQR = = 25 = 52= 49 Median = Range = - 3


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