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# Day 8 histogram and pictograph

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### Day 8 histogram and pictograph

1. 1. AIM: Histograms and Pictographs Do Now 1
2. 2. The table on the left shows the number of hours students watchtelevision in one week. Construct a Frequency Table for the data onthe right. 2
3. 3. Anticipatory Set: Mr. Snowden ordered the grades his students  earned on a test.  Using these numbers, he created a histogram by  grouping the grades into 60’s, 70’s, 80’s, and 90’s. 67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92Answer the questions below the graph based on the data.1.) What does each bar represent?2.) How many students earned a grade between 80 and 100? 3
4. 4. Anticipatory Set: Mr. Snowden ordered the grades his students  earned on a test.  Using these numbers, he created a histogram by  grouping the grades into 60’s, 70’s, 80’s, and 90’s. 67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92Answer the questions below the graph based on the data.1.) What does each bar represent?2.) How many students earned a grade between 80 and 100? 4
5. 5. Anticipatory Set: Mr. Snowden ordered the grades his students  earned on a test.  Using these numbers, he created a histogram by  grouping the grades into 60’s, 70’s, 80’s, and 90’s. 67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92Answer the questions below the graph based on the data.1.) What does each bar represent?2.) How many students earned a grade between 80 and 100? 5
6. 6. Anticipatory Set: Mr. Snowden ordered the grades his students  earned on a test.  Using these numbers, he created a histogram by  grouping the grades into 60’s, 70’s, 80’s, and 90’s. 67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92Answer the questions below the graph based on the data.1.) What does each bar represent?2.) How many students earned a grade between 80 and 100? 6
7. 7. Anticipatory Set: Mr. Snowden ordered the grades his students  earned on a test.  Using these numbers, he created a histogram by  grouping the grades into 60’s, 70’s, 80’s, and 90’s. 67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92Answer the questions below the graph based on the data.1.) What does each bar represent?2.) How many students earned a grade between 80 and 100? 7
8. 8. Anticipatory Set: Mr. Snowden ordered the grades his students earned on a test.  Using these numbers, he created a histogram by grouping the grades into 60’s, 70’s, 80’s, and 90’s. 67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92 3.) Describe the similarities between bar graphs and histograms? Similarities Differences 8
9. 9. 1.) Create a histogram based on the following frequency tablewhich show different coaches monthly practice times.Number of Hours Frequency 1-5 10 6-10 23 11-15 14 16-20 9 9
10. 10. 1.) Create a histogram based on the following frequency tablewhich show grades on the last exam. Grade Ranges Frequency 50-59 2 60-69 5 70-79 8 80-89 10 90-100 7 10
11. 11. 3.)  In which situation would you use a histogram to display data?  Explain. A to show how you spend money B to show the change in temperature throughout the day  C to show the golf scores from the whole team D to show the life expectancy of different animals4.)  In which situation would you use a bar graph to display data?  Explain. F to compare the speed of different computers G to show how a cat spends its time H to show how a child’s height changes as he or she grows J to show the distribution of math grades in your class 11
12. 12. Pictographs: are drawings or pictures that represent a word,sound or idea. Pictographs are used to represent numerical data ina statistical or financial graph, with each value represented by thesize of pictures. 6.) How much would you save on a 15 minute weekday call by using UniDial Unity instead of using AT&T True Savings? 7.) Describe the differences in the dollar bills between the different companies? 8.) Which graph does this graph resemble from previous classes? Why? 12
13. 13. 13
14. 14. BEFORE YOU LEAVEDescribe a situation where a histogram would bethe best way to display the data involved in thesituation. 14
15. 15. Before You Leave Below is a Mesopotamian pictograph.1.) What do you think the Mesopotamian thatcreated this pictograph was trying to display? 15
16. 16. Mr. Tjerslands Math 7Homework: 1.) Page 23 #12-14 all Graph Paper link on Blog 16