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Published byAlfred Curtis Modified over 9 years ago
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6.3: 5 number summary & box and whisker plot I can find the numbers in the 5 number summary and display them on a box and whisker plot.
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Five-Number Summary 5 number summary: –Minimum, 1 st Quartile (Q 1 ), Median (Q 2 ), 3 rd Quartile (Q 3 ), Maximum Q 1 —median of the 1 st half Q 3 —median of the 2 nd half Range: difference between Max and Min (Max minus Min) IQR (interquartile range): Q 3 - Q 1 Finding Five-Number Summary 1. Order data set from least to greatest 2. Identify minimum and maximum 3. Find the median 4. Find the median of lower half (Q 1 ) 5. Find the median of the upper half (Q 3 )
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Chicago BullsTotal points scored Michael Jordan2357 Toni Kikoc984 Scottie Pippen841 Ron Harper764 Luc Longley663 Scott Burrell416 Steve Kerr376 Dennis Rodman375 Randy Brown288 Jud Buechler198 Bill Wennington167 Points scored by Chicago Bulls players who played in more than 40 games in the 1997-1998 season
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5- number summary: how to find Step 1: order the data from smallest to largest. 167 198 288 375 376 416 663 764 841 984 2357 Step 2: Find the minimum and maximum values Step 3: Find the median. Step 4: Find Q 1 (median of lower half). Step 5: Find Q 3 (median of upper half). Min: ____Max: ____Q 1 : ____Median: ____Q3: ____ 1672357 416 288841 167 198 288 375 376 416 663 764 841 984 2357
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Min: ____Max: ____Q 1 : ____Median: ____Q 3 : ____ 1672357416 288841 Above a number line: 1. Mark the minimum and maximum with a point. 2. Mark Q 1, median and Q 3 with a short vertical line. 3. Connect vertical lines to make a box 4. Connect box to minimum and maximum with a single line. Create a Box and Whisker Plot
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Min: ____Max: ____Q 1 : ____Median: ____Q 3 : ____ 79222 1733.5 Above a number line: 1. Mark the minimum and maximum with a point. 2. Mark Q 1, median and Q 3 with a short vertical line. 3. Connect vertical lines to make a box 4. Connect box to minimum and maximum with a single line. Create a Box and Whisker Plot 7 10 14 14 20 21 21 21 23 26 30 32 35 38 80 92
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Percentiles: separates data into 100 equal parts. Percentile rank: is the percentage of data values that are less than or equal to that value. Finding a percentile rank. Of 25 test scores, 8 are less than or equal to 75. what is the percentile rank of a test score of 75? 1. Write the info as a ratio 8 25 2. Rewrite the fraction as a percent =32% The percentile rate of 75 is 32%.
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Homework Ws 6.3 1a, 1b, 5
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