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2-1 Frequency Tables (pages 54-57) Indicator (s) D1- Read, create, & interpret graphs when appropriate.

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Presentation on theme: "2-1 Frequency Tables (pages 54-57) Indicator (s) D1- Read, create, & interpret graphs when appropriate."— Presentation transcript:

1 2-1 Frequency Tables (pages 54-57) Indicator (s) D1- Read, create, & interpret graphs when appropriate.

2 The Stats on Statistics Statistics deal with collecting, organizing and interpreting data. Data are pieces of information, OFTEN numerical. Large amounts of data can be organized in a frequency table. A frequency table shows the number of data pieces that fall within given intervals.

3 Lets Try… Problem: Winning Super Bowl scores from 1983 to 2002 are listed below. Make a frequency table of the data. Winning Scores ScoresTallyFrequency The scale allows you record all the data. It includes the least value and the greatest value. { IIII I IIII III The interval separates the scale into equal parts. The interval is 9. Tally marks are counters used to record items in a group.

4 Interpret the data Kaley asked her classmates about their favorite types of music. The results are shown in the table. Make a frequency table of the data. Then determine the favorite and least favorite genres of music. Favorite Types of Music P R F P F F R F P P F P F C P C J R R F J R P P F R=Rock, J=Jazz, C=Country, F= Top 40, P=Rap MusicTallyFrequency rock jazz country top 40 rap


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