Line Plots, Frequency Tables and Histograms

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Line Plots, Frequency Tables, and Histograms

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Presentation transcript:

Line Plots, Frequency Tables and Histograms

Line Plots, Histograms and Frequency Tables Frequency - Represents the number of times something happens or occurs. Line Plots – Is a number line with marks or dots that show how frequently something occurs. Histogram - Is like a bar graph that shows how much data falls within given intervals. Histograms look similar to bar graphs except: Histograms focus on one topic using descriptions/intervals while bar graphs compare category totals. You do not leave spaces between the bars on a histogram. Frequency Tables - Is a table that is used to gather the number of data that falls within each interval. The information gathered in a frequency table is used to create a histogram.

Line Plots Example 1: Given the following data, let’s create a line plot. Mileage ran by Mr. Lee’s students: 8, 3, 5, 6, 7, 8, 5, 5, 3, 6, 10, 7, 5 3 4 5 6 7 8 9 10 Number of Miles Ran

Histograms and Frequency Tables Example 1: Given the following data, let’s create a frequency table and histogram. Mrs. Choe’s students fingerprint patterns: whorl, loop, loop, loop, loop, arch, loop, whorl, arch, loop, arch, loop, arch, whorl Fingerprint Patterns Patterns Tallies Frequency

NY Giants Point Totals – 2018-19 Histograms and Frequency Tables Example 2: Given the following data, let’s create a frequency table and histogram. Points scored by the New York Giants during the 2018-2019 season: 15, 13, 27, 18, 31, 13, 20, 13, 27, 38, 22, 30, 40, 0, 27, 35 NY Giants Point Totals – 2018-19 Intervals Tallies Frequency

Analyzing Histograms Answer the following questions about the histogram below. 1.) How many people did between 11 and 20 jumping jacks? 2.) What interval contains the most people? 3.) The results of how many people are included in this histogram? 4.) What is one piece of information that you cannot answer based on the histogram?