The following tableprovides the project annual budget, total number of projects, andtotal number of people working on the projects for City ofKillingcovid annually:
Year | AnnualBudget (inmillions) | Number ofProjects | Number ofPeople Working on the Projects |
1997 | 9.93 | 2 | 6 |
1998 | 7.34 | 8 | 47 |
1999 | 6.82 | 4 | 134 |
2000 | 7 | 2 | 291 |
2001 | 7.31 | 7 | 279 |
2002 | 7.86 | 6 | 82 |
2003 | 8.44 | 4 | 65 |
2004 | 7.61 | 5 | 34 |
2005 | 7.8 | 1 | 14 |
2006 | 8.6 | 4 | 249 |
2007 | 8.25 | 2 | 174 |
2008 | 8.7 | 3 | 346 |
2009 | 10.89 | 2 | 3 |
2010 | 10.53 | 1 | 8 |
2011 | 11.77 | 2 | 13 |
2012 | 11.44 | 4 | 24 |
2013 | 10.95 | 6 | 534 |
2014 | 11.12 | 2 | 6 |
2015 | 10.73 | 2 | 28 |
2016 | 11.39 | 1 | 18 |
2017 | 11.3 | 3 | 25 |
2018 | 11.27 | 2 | 54 |
For A to F, use thedata between Yr 2006 and Yr 2015 to calculate the following:
A. The mean of theNumber of People Working on the Project.
B. The median of the Budget.
C. The range of Budget.
D. The variance (3 significant figures) of Number ofProjects.
E. The standard deviation (nearest integer) of Number of PeopleWorking on the Project.
F. The 20% trimmed mean of Number of Projects.
G. Draw a dot plotcomparing the Number of People Working on the Project from Yr 1997to Yr 2006 and those from Yr 2009 to Yr 2018.
H. Using the data forAnnual Budget from Yr 2001 to Yr 2017, draw a double stem leafplot, then calculate the relative frequency.
