- 12 . A- A- AM . A E. E. E.. Aa BbCcDdEe As BbCcDdie AaBbCcDe AaBbCDde AaBbC ahe X2 X A . A . E Normal No Spacing Heading 1 Heading ? A psychologist researching people's vocabulary selects a random sample of young adults and gives them all a vocabulary test. She notices that most of her sample are Australian-born, but that several of the participants are recent immigrants from China. When she plots a frequency histogram of test scores, which of the following would probably best describe the distribution of scores? Select one: a. negative skew, zero kurtosis b. positive skew, zero kurtosis c. zero skew, negative kurtosis d. zero skew, positive kurtosis e. negative skew and negative kurtosis