an article contained the following observations on degree of polymerization for paper specimens for which viscosity times concentration fell in a certain middle range: 418 421 422 422 425 426 431 435 437 438 445 446 448 452 455 462 464 (a) construct a boxplot of the data. webassign plot webassign plot webassign plot webassign plot comment on any interesting features. (select all that apply.) there is one outlier. the data appears to be centered near 428. there are no outliers. the data appears to be centered near 438. there is little or no skew. the data is strongly skewed. (b) is it plausible that the given sample observations were selected from