7.1 Reading Pictographs, Bar Graphs, Histograms and Line Graphs Lear inn g Objectives: 1. Read pictographs2. Key Vocabulary: pictograph, bar graph, histogram, class interval, class frequency, line graph. ; read and construct bar graphs and histograms; read line graphs. Examples: 1. The following bar graph shows the points scored per quarter in a basketball game. 0102030401stQtr2ndQtr3rdQtr4thQtrLakersCeltics a. How many points did the Celtics score in the 4th quarter? b. How many points did the Lakers score in the 1st quarter? c. What was the total score for the game? . The following pictograph shows the number of satisfied customers at a restaurant. Use the information to answ e 2 er th following questions. . Which month had the most satisfied customers? Month Number of Satisfied Customers Jan. a . What was the total number of satisfied customers during the 3‐month period? b Feb. Mar. = 100 Satisfied Customers3. The following line graph shows the total sales per month 050001000015000200002500030000Jan Fe Ma Apr Ma Jun a. What month had the least sales? . What is the difference between the highest and lowest month? b . The following is a list of scores on a recent math exam. Use this list to complete the frequency distribution table: 100, 85, 89 60 6, and 77 4, 75, ally, 55, 92, 85, 85, 7lass Frequency Class Intervals T Ca 90 ‐ 100 b 80 ‐ 89 c 70 ‐ 79 d 60 ‐ 69 e Below 60