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8. Round the following numbers to the stipulated rounding unit: a. 5.456 to nearest tenth b. 5.456 to nearest hundredth c. 20.821 to nearest hundredth d. 381 to nearest hundred e. 467,988 to nearest thousand f. 467,988 to nearest hundred thousand g. .00051 to nearest thousandth10. Specify the real limits of the following rounded numbers: a. 5.00 kilograms e. 71,000 rounded to nearest b. 5 kilograms hundred c. Age 9 rounded to last birthday f. 9,680 rounded to nearest ten d. Age 9 rounded to nearest birthday g. .01605 h. .24812. 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