MEMORANDUMTO:PROFESSOR ELENA KULIKOVFROM:X Y ZSUBJECT:CHARACTERISTICS OF THE U.S. POPULATIONDATE:XXXXXXThe purpose of this project is to estimate the characteristics of the U.S. populationusing four variables.The source data is from the2002General Social Survey.Part A: Estimating Means(Choose one IR variable and use it for this part of the memo)Hours workedHours worked-- This is interval-ratio variable reporting the actual hours worked weekly.The mean was 41.82 hours with the standard deviation of 14.28 hours. Based on a sampleof 929, I can estimate at the 95% confidence level that the average working time for theU.S. population was between 41 and 43 hours a week.Part B: Estimating Proportions or Percentages(Choose one nominal and one ordinal variable and use them for this part of thememo)1.1.Death penalty for persons convicted of murderDeath penalty for persons convicted of murder-- This is nominal data with two