29. the amount of beer per bottle is a a. categorical variable. b. quantitative variable. 30. the population of interest in this example is a. the 30 beer bottles sampled. b. all beer bottles. c. all 12-ounce beer bottles filled by this machine at the brewery. d. all beer bottles from this brewery. 31. the amount of beer per bottle has a distribution that is a. perfectly symmetric. b. bimodal. c. moderately skewed to the left. d. moderately skewed to the right. 32. what proportion of the 30 sampled bottles are more than 12 ounces? a. 0.20 b. 0.60 c. 0.50 d. 0.30 33. in the sample of 30 bottles, the lowest recorded fill is 11.3 ounces, however, originally this value was mistakenly entered as 1.3 ounces. suppose the error is left uncorrected and the lowest value remains 1.3 ounces. which value is most affected by the error? a. the median. b. the interquartile range. c. the mean. d. all measurements would be affected the same.