please give a explaination about each questions, thanks!!

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