Identify the sampling technique that is a simple random sample for obtaining the opinions of car buyers. selecting one hundred available customers that buy a car on monday selecting one hundred car buyers that buy a car that seats 7 or more passengers selecting one hundred car buyers out of ten thousand car buyers using a random number generator selecting one hundred car buyers in the same city

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42