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12. The following is the distribution of workers by position title in a communications firm (fictional data). Calculate the ratio of other employees to managers. Position in Firm Management positions President Chief executive officer Vice president Assistant vice president Administrative assistant Chief of floor staff Other positions Secretary 16 Sales associate 42 Office clerk 18 Technical/ professional 14 Housekeeping 314. Pearson et a]. {1997) showed that when a grandmother lives with a family, she is likely to become involved in parenting activities. Suppose the The Statistical Imagination following data represent the number of parenting commands given to 25 children by their grandmothera a. Compile the data into a frequency distribution table with columns for the frequency; the proportional frequency, the percentage frequency, and the cumulative percentage frequency. (No need to 5110\"" formulas.) b. If a grandmother gave two commands, what is her percentile rank? Interpret your answer. 14,33), 6, 5, 3, 2,4, 7 5, 6, 2, 3, 4, 8, I", 5, 6, 4, 2,1, 5,. 3'33. 16. A random sample of 641 first-year college students is studied to determine ways in which economic background is an advantage for succeeding in college. The following crosstab table presents social class ranking by ownership of a personal computer {fictional data}. a. Overall, what percentage of respondents own a personal computer? b. Complete the table by mserting row percentages. Show the formula for and calculation of one entry: c. Comment on any result that stands out. Chapter 2 Statistical Analysis: Error Management and Control Has Own Personal Computer Social Class Level No (raw: "e ) Yes (row { ) Lower (poverty) 62 2 Working 79 33 Lower middle 83 148 Upper middle 36 142 Upper 5518. A polling official at a voting place for a primary election is tabulating political party participation. As voters request their ballots, she keeps a tab of which party's ballot they requested by checking ( ) a party name list. a. Compile her data into a frequency distribution table with columns for the frequency, the proportional frequency, and the percentage frequency. (No need to show formulas.) b. Would it make sense to include the cumulative frequency? If not, why not? Democratic party Republican party New Independent party