1. POD#8POD#8 basic Is the graph below misleading? Why?

2. POD#9POD#9 basicadvanced Identify the population and the sample Is the sample below biased? Explain. 5 boys and 5 girls from each grade at Houston Elementary All of the students at Houston Elementary Graham wanted to find out what type of soft drink the students at his school preferred. He asked all of the kids in his class and tallied the results.

3. POD#POD# basicadvanced Identify the outlier(s) and how it effects the mean of the data: 25, 30, 28, 23, 20, 83, 31 The commute times (in minutes) for the teachers at Houston are as follows: 12, 15, 20, 18, 10, 90. What is the average commute time for a Houston teacher. Mean (with): 34.3 Mean (w/o): 26.2 Mean (with): 27.5 Mean (w/o): 15

4. Misleading Graphs and Statistics

5. Graphs let readers analyze data easily, but are sometimes made to influence conclusions by misrepresenting the data.

6. Which graph suggests a greater difference in the annual snowfall?

7. Statistics can also be used to influence conclusions. An amusement park boasts that the average height of their roller coasters is 170 ft. Explain how this might be misleading. CoasterHeight (ft.) Viper109 Monster135 Red Zip115 Tornado365 Riptide126 Mean: 170 Median: 126 Mode: none

8. Explain why the graph below may be misleading The title and the bars show a drastic difference in home prices, however the actual difference is only $2,000.

9. Explain why the owners of “Cup of Joe” might think this graph is unfair to their business.