Which data set could be represented by the box plot shown below? A horizontal boxplot is plotted along a horizontal axis marked from 40 to 50, in increments of 1. A left whisker extends from 41 to 43. The box extends from 43 to 48 and is divided into 2 parts by a vertical line segment at 44. The right whisker extends from 48 to 50. All values estimated.
Choose 1

(Choice A)

41, 42, 42, 43, 43, 47, 47, 49, 50, 50
(Choice B)
40, 42, 43, 43, 43, 47, 47, 48, 50, 50

(Choice C)
C
41, 42, 43, 43, 43, 45, 47, 49, 50, 50

(Choice D)
D
41, 42, 43, 43, 43, 45, 47, 48, 50, 50

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect