Listed below are the 27 Nationwide Insurance agents in the Toledo, Ohio, metropolitan area. We would like to estimate the mean number of years employed with Nationwide.

ID ID ID Number Agent Number Agent Number Agent 00 Bly Scott 3332 W Laskey Rd 10 Heini Bernie 7110 W Centra 19 Riker Craig 2621 N Reynolds Rd 01 Coyle Mike 5432 W Central Av 11 Hinckley Dave 20 Schwab Dave 572 W Dussel Dr 02 Denker Brett 7445 Airport Hwy 14 N Holland Sylvania Rd 21 Seibert John H 201 S Main 03 Denker Rollie 7445 Airport Hwy 12 Joehlin Bob 3358 Navarre Av 22 Smithers Bob 229 Superior St 04 Farley Ron 1837 W Alexis Rd 13 Keisser David 3030 W Sylvania Av 23 Smithers Jerry 229 Superior St 05 George Mark 7247 W Central Av 14 Keisser Keith 5902 Sylvania Av 24 Wright Steve 105 S Third St 06 Gibellato Carlo 6616 Monroe St 15 Lawrence Grant 342 W Dussel Dr 25 Wood Tom 112 Louisiana Av 07 Glemser Cathy 5602 Woodville Rd 16 Miller Ken 2427 Woodville Rd 26 Yoder Scott 6 Willoughby Av 08 Green Mike 4149 Holland Sylvania Rd 17 O'Donnell Jim 7247 W Central Av 09 Harris Ev 2026 Albon Rd 18 Priest Harvey 5113 N Summit St ID Number Name Address Type 20 St. Luke's Hospital 85 North Grand Avenue M/S East Ft. Thomas, Kentucky 41042 21 Care Unit Hospital 3156 Glenmore Avenue S Cincinnati, Ohio 45211 22 Emerson Behavioral 2446 Kipling Avenue S Science Cincinnati, Ohio 45239 23 Pauline Warfield 1101 Summit Road S Lewis Center for Cincinnati, Ohio 45237 Psychiatric Treat. 24 Children's Psychiatric 502 Farrell Drive S No. Kentucky Covington, Kentucky 41011

ID Number Name Address Type 25 Drake Center Rehab 151 W. Galbraith Road S Long Term Cincinnati, Ohio 45216 26 No. Kentucky Rehab 201 Medical Village S HospitalShort Term Edgewood, Kentucky 27 Shriners Burns 3229 Burnet Avenue S Institute Cincinnati, Ohio 45229 28 VA Medical Center 3200 Vine S Cincinnati, Ohio 45220

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SAMPLING ERROR The difference between a sample statistic and its corresponding population parameter. a. We want to select a random sample of four agents. The random numbers are: 02, 59, 51, 25, 14, 29, 77, 69, and 18. Which dealers would be included in the sample? b. Use the table of random numbers to select your own sample of four agents.

c. A sample is to consist of every seventh dealer. The number 04 is selected as the start- ing point. Which agents will be included in the sample?