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Minitab assignment 2

Minitab assignment 2 - MINITAB Assignment 2 1 Consider a...

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MINITAB Assignment 2 1. C onsider a data set of personal income and demographic information from the March, 2008 supplement to the Current Population Survey. This data set includes all 65,418 respondents aged 25 to 64 years who were currently in the labor force and who listed their race as Asian, Black, or White. The data set is in the MINITAB project file named MINITAB2_Problem_1_Data . Variables and Coding: Sex Gender (1 = male, 2 = female) Income Total personal income (in dollars) Race Person’s race (1 = White, 2 = Black, 4 = Asian) Age Person’s age (in years) Educ Educational attainment 1 = less than high school 2 = some high school 3 = high school graduate 4 = some college 5 = bachelor’s degree 6 = post-graduate degree a. Copy and Paste all Responses in the Session window generated by opening MINITAB2_Problem_1_Data. Be sure to include the date. ————— 9/22/2009 1:40:44 PM ———————————————————— Welcome to Minitab, press F1 for help. ————— 3/2/2010 7:54:38 PM ———————————————————— Welcome to Minitab, press F1 for help. Retrieving project from file: 'C:\USERS\EVAN\APPDATA\LOCAL\MICROSOFT\WINDOWS\TEMPORARY INTERNET FILES\CONTENT.IE5\6F8AO4YP\MINITAB_2_PROBLEM_1_DATA_AMENDED[1].MPJ' MTB > piechart c5; SUBC> title "Education Attainment Levels of All 65,418 Respondents"; SUBC> slabel; SUBC> pcategory; SUBC> percent. Pie Chart of Educ MTB >chart c3; SUBC> title "Distribution of Race of All 65,418 Respondents"; SUBC> percent; SUBC> bar. Chart of Race MTB > histogram c4; SUBC> title "Distribution of Ages of All 65,418 Respondents"; SUBC> axlabel 1 "Age of Respondents"; SUBC> axlabel 2 "Frequency of Age Classes"; SUBC> cutpoint 25:65/5. Histogram of Age
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b. Pie Chart c. Relative Frequency Bar Graph d. Histogram iv. The class width of the histogram of the distribution of ages in this population is 5. v. The class with the lowest relative frequency in the histogram is the class between age 60 and 65 with a relative frequency of 3,755. e. Calculate: MTB > desc c2 Descriptive Statistics: Income Variable N N* Mean SE Mean StDev Minimum Q1 Median Q3 Income 65418 0 49440 207 52924 0 22000 37301 60000 Variable Maximum Income 782110 MTB > boxp c2; SUBC> title "Distribution of Incomes of All 65,418 Respondents"; SUBC> axlabel 2 "Income (in dollars)"; SUBC> transpose.
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