3. Consider the following stem-and-leaf display of a collection of data values representing time spent studying for a nal exam, where 2|1 represents 2.1 hours. a. List 10 of the data values implied by the display. I). Vt'hich data value is the mode? Vt'hat is the range? c. \"That shape does the distribution of data values have? 4_ Produce four different sets of paired data values in different scatterplot graphs whose correlation coefficient would closely correspond to the following values. a. r = 0.95 b. r = -0.95 c. r : 0.60 d. r = 0.004 Stem Leaves 0 2388 1 455567 2 123347799 3 22568 4 3449 1. Give at least four different abuses of statistics made by individuals. 2. For each of the following determine which type of sampling method is being used: a. A market researcher selects 500 drivers under 30 years of age and 500 over 30 years of age. b. A researcher interviews 19 workers from a local construction site