uctions Show all your work for each of the problerms to obta

uctions: Show all your work for each of the problerms to obtain partial credits I. Short response questions. (1) Identify the type of variables used in each case: Description Categorical Quantitative Discrete /Continuous (a) The type of cars in the parking lot (b) The height of students in our class (c) The final scores of every game the NY NET team played in 2009 (d) The ID numbers of students at LIU (e) The pulse rate of women (2) Critical thinking: (a) When you are given a frequency distribution table summarizing the weights of 120 quarters, is it possible to identify the original list of the 120 individual weights? Why? or why not? (b) The population of ages at inauguration of all US Presidents who had professions in the military is 62, 46,68,64,57. Why does it not make sense to construct a histogram for this data set? (c) When comparing two data sets, why is it generally better to use relative frequency instead of frequency distribution? (d) American Online (AOL) occasionally conduct online polls in which internet users can respond a question. If a graph is constructed to illustrate results from such a poll, and the graph is designed objectively with sound graphing techniques, does the graph provide us with understanding of the greater population? Why or why not? (e) If the mean of 75 values is 52.6 pounds and the mean of 25 values is 48.4 pounds, find the mean of all 100 values. (f) Lee\'s score on his test was 90. The class average was 62.1 and the standard deviation was 6.76. Is his score unusual? Why or why not?

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