front 1 In the data table below, the x-values are the weights (in pounds) of cars and the y-values are the corresponding highway fuel consumption amounts (in mi/gal). Given the context of the car measurement data, what issue can be addressed by conducting a statistical analysis of the values? | back 1 Is there a relationship or an association between the weight of a car and its fuel consumption amount? |
front 2 An editorial criticized a chart caption that described a dental floss as one that "reduces the chance of plaque on teeth by over 400 percent." What is wrong with this statement? | back 2 A reduction of 100% would eliminate all plaque, so it is not possible to reduce it by more than 100%. |
front 3 The x-values in the table to the right are the nicotine amounts (in mg) in different 100 mm filtered, non-"light" menthol cigarettes. The y-values are the nicotine amounts (in mg) in different king-size nonfiltered, nonmenthol, and non-"light" cigarettes. If suitable methods of statistics are used, it can be concluded that the average (mean) nicotine amount of the 100 mm filtered, non-"light" menthol cigarettes is less than the average (mean) nicotine amount of the king-size nonfiltered, nonmenthol, and non-"light" cigarettes. Can it be concluded that the first type of cigarette is safe? Why or why not? | back 3 Since the first type of cigarette contains less nicotine than the second type of cigarette, the first type is safer. However, it cannot be concluded that it is safe. |
front 4 Which of the following is NOT a misuse of statistics? | back 4 Utilizing valid statistical methods and correct sampling techniques |