Coursepad Name: Math 133: 3.2 Worksheet #3 Section #: 3.2: Measures of Dispersion 1. The following table presents the average price, in U.S. dollars per gallon, of unleaded regular gasoline in a random sample of countries in the years 2017 and 2022. (Source Country 2017 2022 a) What type of variable is "Country" (Circle one) Australia 5.11 5.71 Canada 3.44 7.07 Qualitative Quantitative China 3.56 6.13 Germany 5.38 9.57 b) What type of variable is "Gas Price" (Circle one) Japan 4.01 5.85 Mexico 3.07 5.19 Qualitative Quantitative South Korea 4.54 7.07 Turkey 5.94 6.24 c) What is the unit of measurement of "Gas Price" United States| 2.79 5.50 d) Are values computed from these data parameters or statistics? (Circle One) Explain. Parameters Statistics e) Find the following (give 2 decimal places). 2017 2022 Mean Median Standard Deviation Variance f) Which year had more variability in gas prices? (Circle One) 2017 2022 g) Interpret the mean and standard deviation for 2022 in the context of the situation. (Include units) h) What appears to be the shape of the distribution of the gas prices for 2022? Explain