Women in psychology then and now. The following table lists the distribution of degrees in psychology conferred by degree-granting institutions, by sex and year. These and similar data are reported by the National Center for Education Statistics (NCES) at http://nces.ed.gov/programs/digest/.   Bachelor’s Degrees Male Female 1970-1971 21,227 14,602 1980-1981 14,332 26,736 1990-1991 16,067 42,588 2000-2001 16,585 57,060 2005-2006 19,865 68,269 a.  Based on the data in this table, how has the number of degrees conferred in psychology changed by sex since 1970–1971? b.  Is this a frequency distribution for grouped or ungrouped data? Explain.

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