Maricella Has Collected Her Thesis Data That Examines Differences in PSAT

question 35

Multiple Choice

Maricella has collected her thesis data that examines differences in PSAT Math achievement in Latino boys and girls. However, upon a second look at the graphs of her raw scores, it appears that the boys scores are more normally distributed and the girls scores are somewhat more bunched together around the mean. Given this information, what can you conclude regarding the data set?

• A) The standard deviation is likely smaller for girls.
• B) The girls' distribution is likely unimodal.
• C) The girls' mean score is more representative of the data.
• D) The girls' median is higher than the boys' median.

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Definitions:

Sporophyte Generation

The 2n, spore-producing stage in the life cycle of a plant. Compare with gametophyte generation.

Liverworts

A phylum of spore-producing, nonvascular, thallose or leafy plants with a life cycle similar to that of mosses.

Club Mosses

A phylum of seedless vascular plants with a life cycle similar to that of ferns.

Horsetails

Fern relatives with hollow, jointed stems, to which tiny leaves (reduced megaphylls) are attached in whorls.