Sample grade point averages for ten male students and ten female students are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. Males Females 2.2 3.9 3.7 3.7 2.9 2.5 3.5 3.4 3.8 1.9 2.9 3.7 2.1 3.9 3.5 4.1 2.1 3.8 3.9 2.4 ... The coefficient of variation for males is ☐ %. (Round to one decimal place as needed.) The coefficient of variation for females is %. (Round to one decimal place as needed.) Compare the variability of grade point averages of males and females. Choose the correct answer below. A. The grade point averages of females are more variable than males. B. The grade point averages of females and males have the same variation. C. The grade point averages of males are more variable than females. D. The grade point averages of females and males do not vary.

Consider the following loops on the Klein bottle. (1) Decide whether they are orientation reversing or preserving. Explain. (2) In each of the three case, cut the surface by the curve. What is the resulting surface for each case?

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find a formula for a, for the arithmetic sequence.