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ALL ABOUT THAT DATA UNIT 6 DATA
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LAST PAGE OF BOOK: MEAN MEDIAN MODE RANGE FOLDABLE Mean
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Median Mode
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Range Homework: Mean, Median, Mode Handout Make sure to bring your “All About that Data” book tomorrow and your supplies
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P1 UNIT 6 VOCABULARY
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P2 CATEGORICAL VS NUMERICAL Categorical (qualitative) categories Eye color Food Months Numerical (quantitative) Numbers Temperature Age Height
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PG. 349
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P3 “ALL ABOUT THAT DOT/LINE PLOT” On a number line Uses or x to show frequency Used to graph numerical data
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Mean- Median- Mode- Range- Number of people that live in your home
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P4 “ALL ABOUT THAT STEM-AND-LEAF” Displays data organized by place value Leaf: last digit of the number (goes to the right on the table) Stem: first digit or digits (goes on the left) Separated by vertical line Ex: Number of minutes to get ready this morning Key 2 3=23
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Mean – Median- Mode- Range-
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P5 DESCRIBE DATA: SHAPE, CENTER, SPREAD SHAPECENTERSPREADSHAPECENTERSPREAD Mean and Median measure center, depends on the distribution of data Is the data symmetrical? Yes=meanNo=median Range
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P6 “IT’S ALL ABOUT THAT SHAPE” (TURN PAGE LONG WAY SO PICTURES WILL FIT)
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P7 “ALL ABOUT THAT BOX PLOT” Organizes data into four parts (quartiles) Use the minimum, Q1, median, Q3, and maximum to create the four parts Q1=quartile 1= median of lower half of data Q3=quartile 3=median of upper half of data Box= created with Q1, Q3, line through median “Whiskers”= connect box to the min and max of data
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P8 “ALL ABOUT THAT BOX PLOT” Make a Box plot using the following data: 2, 5, 3, 3, 4, 1, 6, 2, 2 Min= Q1= Median= Q3= Max=
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P9 “ALL ABOUT THAT IQR” IQR = Interquartile Range = Q3-Q1
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P10 “ALL ABOUT THAT OUTLIER” Outliers are observations (data) that do not fit the overall pattern of the data set. Outlier affects the Mean If the outlier is larger then majority of the data then the Mean will seem larger (skewed right) If the outlier is smaller then majority if the data then the Mean will seem smaller (skewed left) Continued….. Picture
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P10 CONTINUED
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P11 “ALL ABOUT THAT HISTOGRAM” Bar Graph Histogram
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P12 “ALL ABOUT THAT HISTOGRAM” Graphs numerical data in intervals that show the frequency within that interval Bars ALWAYS touch Use a frequency table to gather data before graphing. Describe the shape and spread of the graphs below
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P13 “ALL ABOUT THAT RELATIVE FREQUENCY” Relative Frequency is the percent value of a category. Convert fraction, part/whole, into a percent
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P15 “ALL ABOUT THAT VARIABLE”
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P16 “ALL ABOUT THAT VARIABLE”
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Table of Contents P1 Unit 6 Vocabulary P2 Categorical vs Numerical Data P3 All About that Dot Plot P4 All About that Stem-and-Leaf P5 All About that Shape, Center, and Spread P6 All About that Shape P7 All About that Box Plot P8 Box Plot P9 All About that Interquartile Range P10 All About that Outlier P11 All About that Histogram P12 Histogram P13 All About that Relative Frequency P14 SKIP P15 All About that Variable P16 Variable P18 Mean Median Mode Range Foldable
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