ChancellorDiscovery9008
Stratified Sampling: Suppose that the student population below is…
Stratified Sampling: Suppose that the student population below is devided into four strata (base on some criterion). The table lists the students’ names and the strata to which they are assigned.
A sample of 70 students is needed.
a) How many students are in each stratum?
b) How many students from each stratum should be selected for a sample?
c) Using stratified sampling method, select an actual sample of 70 students.
Origninal Data
Stratum Student Name
Stratum 4 Abbigail Byrd
Stratum 1 Abbigail Sheppard
Stratum 3 Adalyn Hardy
Stratum 1 Adam Hester
Stratum 1 Adeline Ponce
Stratum 1 Adelyn Sheppard
Stratum 1 Adrian Holden
Stratum 1 Aidan Aguilar
Stratum 2 Alexia Douglas
Stratum 2 Alfredo Clay
Stratum 3 Ali Hahn
Stratum 4 Alisa Peters
Stratum 4 Allyson Gonzalez
Stratum 1 Alonzo Avila
Stratum 2 Amari Benitez
Stratum 1 Amari Walters
Stratum 4 Amaya Oconnor
Stratum 1 Amiah Irwin
Stratum 3 Anabella Bridges
Stratum 2 Andres Fleming
Stratum 3 Andy Rasmussen
Stratum 2 Angelique Orr
Stratum 4 Angelo Alvarez
Stratum 2 Annabelle Landry
Stratum 1 Annie Mckinney
Stratum 3 April Cohen
Stratum 2 Arjun Maldonado
Stratum 1 Arthur Benton
Stratum 2 Aubree Snow
Stratum 2 Ayden Mueller
Stratum 2 Beau Cisneros
Stratum 4 Belen Casey
Stratum 2 Blaine Dillon
Stratum 1 Branson Best
Stratum 1 Britney Shea
Stratum 3 Brooklynn Woodard
Stratum 2 Byron Nielsen
Stratum 3 Cailyn Garza
Stratum 4 Caitlyn Brewer
Stratum 2 Cali Hayes
Stratum 1 Camilla Ibarra
Stratum 4 Camryn Johnson
Stratum 1 Case Estrada
Stratum 4 Casey Andersen
Stratum 2 Cason Monroe
Stratum 1 Cassie Cervantes
Stratum 4 Cassius Mccall
Stratum 3 Charlize Blair
Stratum 1 Charlize King
Stratum 1 Cheyanne Rogers
Stratum 1 Claire Baird
Stratum 1 Cloe Dennis
Stratum 1 Coby Hanna
Stratum 2 Collin Adams
Stratum 1 Conner Atkins
Stratum 2 Connor Trevino
Stratum 1 Cortez Whitney
Stratum 4 Cristina Kaiser
Stratum 2 Dakota Avila
Stratum 1 Dangelo Villegas
Stratum 1 Darnell Kirk
Stratum 1 Davis Herring
Stratum 3 Dawson Howe
Stratum 1 Derrick Obrien
Stratum 3 Derrick Wilkerson
Stratum 2 Desmond Owens
Stratum 3 Destinee Kramer
Stratum 1 Devon Martinez
Stratum 1 Diya Rose
Stratum 3 Draven Luna
Stratum 3 Duncan Wong
Stratum 4 Elise Leach
Stratum 4 Ellis Ford
Stratum 1 Emely Harrington
Stratum 2 Emerson Benton
Stratum 1 Emiliano Nash
Stratum 3 Emily Bell
Stratum 1 Emily Clements
Stratum 1 Erica Lowery
Stratum 2 Ezequiel Dougherty
Stratum 3 Finley Moses
Stratum 2 Gaige Pugh
Stratum 1 Gary Forbes
Stratum 2 Gerald Burton
Stratum 1 Gianna Duke
Stratum 1 Gunner Stone
Stratum 3 Gustavo Pruitt
Stratum 3 Hanna Bauer
Stratum 1 Harley Phelps
Stratum 2 Hayley Espinoza
Stratum 3 Heath Weeks
Stratum 1 Heaven Jackson
Stratum 1 Heidi Andrews
Stratum 2 India Krueger
Stratum 2 Isaac Thompson
Stratum 1 Isla Richards
Stratum 1 Itzel Garza
Stratum 3 Jacqueline Soto
Stratum 2 Jada Noble
Stratum 2 Jaime Lutz
Stratum 2 Jamari Newton
Stratum 2 Jamiya Bridges
Stratum 2 Jayvion Compton
Stratum 3 Jazmyn Conway
Stratum 3 Jimmy Bauer
Stratum 1 Joe Brady
Stratum 3 Jonah Sparks
Stratum 1 Jordon Bean
Stratum 2 Jordon Floyd
Stratum 1 Jordon Parsons
Stratum 2 Jordyn Hobbs
Stratum 1 Jovan Stone
Stratum 3 Kael Bauer
Stratum 3 Kailyn Gill
Stratum 1 Karly Hawkins
Stratum 1 Karsyn Jordan
Stratum 2 Kasey Rodgers
Stratum 4 Katelyn Meadows
Stratum 3 Kendal Dalton
Stratum 3 Kenny Weiss
Stratum 1 Kinsley Grant
Stratum 1 Kira Meadows
Stratum 1 Konner Oneal
Stratum 2 Kristen Wyatt
Stratum 1 Lamont Salazar
Stratum 4 Lawson Howell
Stratum 3 Leah Velez
Stratum 2 Leilani Avila
Stratum 2 Leslie Neal
Stratum 1 Liliana Escobar
Stratum 1 Lincoln Vaughn
Stratum 2 Lucille Shaw
Stratum 2 Lukas Kaufman
Stratum 1 Lyric Mccall
Stratum 3 Madyson Walls
Stratum 1 Maia Frazier
Stratum 3 Malaki Davis
Stratum 2 Mallory Weiss
Stratum 3 Mareli Bray
Stratum 4 Margaret Garner
Stratum 1 Maria Harrell
Stratum 2 Mariam Cantu
Stratum 4 Matias Neal
Stratum 3 Matthias Mccann
Stratum 1 Maximo Rocha
Stratum 3 Mayra Mathis
Stratum 1 Mekhi Henson
Stratum 1 Melissa Francis
Stratum 3 Miguel Brady
Stratum 2 Misael Murillo
Stratum 2 Naima Montes
Stratum 1 Nathanael Massey
Stratum 1 Nathanial Bass
Stratum 1 Nikhil Archer
Stratum 1 Niko Flynn
Stratum 1 Noe Blankenship
Stratum 1 Nolan Kidd
Stratum 3 Nora Meyer
Stratum 2 Omari Roberson
Stratum 1 Pranav York
Stratum 1 Rachael Allen
Stratum 2 Rachael Krueger
Stratum 1 Raymond Brown
Stratum 1 Rhianna Cole
Stratum 2 Rhys Moss
Stratum 2 Riley Reilly
Stratum 3 Roberto Cherry
Stratum 1 Ronan Barrera
Stratum 2 Rory Rasmussen
Stratum 3 Rose Stark
Stratum 4 Rubi Alvarado
Stratum 3 Rylee Lawrence
Stratum 2 Sage Barker
Stratum 2 Sage Mcclain
Stratum 2 Salma Morris
Stratum 1 Sam Mcbride
Stratum 1 Samantha Foster
Stratum 1 Samantha Valentine
Stratum 1 Sammy Estrada
Stratum 2 Sean Fitzgerald
Stratum 1 Shane Massey
Stratum 2 Shelby Watts
Stratum 2 Simeon Herring
Stratum 2 Simone Huerta
Stratum 2 Stanley Peterson
Stratum 2 Stephen Leonard
Stratum 3 Steve Anderson
Stratum 1 Tiara Cross
Stratum 4 Tucker Stewart
Stratum 1 Uriel West
Stratum 2 Urijah Horton
Stratum 2 Urijah Vargas
Stratum 2 Winston Cherry
Stratum 2 Yair Garrett
Stratum 1 Yaretzi Pope
Stratum 1 Zachariah Petersen
Stratum 4 Zachary Shannon
Stratum 3 Zaid Henderson
Stratum 1 Zain Campbell
Stratum 3 Zara Conner