Dot Plots, Box Plots, Histograms

The title of the graph is misleading. Which statement best explains why a person reading the graph might get an incorrect idea about the differences in the number of hours computers are used by students in the grades shown? The grade intervals do not show how much time college students use computers. The vertical scale should show minutes used instead of hours. The intervals on the vertical scale are not consistent. The box-and-whisker plot shows the average class sizes in 15 schools. Which statement about the class sizes must be true? The range of the class sizes is 8. The largest class size is 31. About one-half of the classes range in size from 23 to 31. The median class size is 23. Compact Discs Owned by ClassmatesUse the Histogram shown below to answer the question. Number of CDs Owned How many classmates own more than 300 CDs? 16 2 22 6 Compact Discs Owned by ClassmatesUse the Histogram shown below to answer the question. Number of CDs Owned How many classmates were surveyed? 25 22 10 15 Ms. Henslee made the following box-and-whisker graph of the quiz grades in her Math class. 70 What is the median of the data? 77 86 96 Ms. Henslee made the following box-and-whisker graph of the quiz grades in her Math class. 96 What is the range of the data? 58 38 16 Ms. Henslee made the following box-and-whisker graph of the quiz grades in her Math class. 70 What is the lower quartile, Q1? 58 38 22 Ms. Henslee made the following box-and-whisker graph of the quiz grades in her Math class. 58 What is the upper quartile, Q3? 70 77 86 Ms. Henslee made the following box-and-whisker graph of the quiz grades in her Math class. 86 What is the Interquartile Range (IQR)? 77 70 16 A Luke’s math scores for this grading period are listed:
B C D 30 packages 100 packages 70 packages 120 packages How many packages were shipped that weigh less than 7 pounds? |

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