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Exploratory Data Analysis, Factorial ANOVA, and ANCOVA Application in Educational Research

A research-based assignment cover sheet related to statistical methods in education.

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    NORTHCENTRAL UNIVERSITY ASSIGNMENT COVER SHEET Student : Stefanie L. McPherson THIS FORM MUST BE COMPLETELY FILLED IN F ollow t hese p rocedures: If requested by your instructor , please include an assignment cover sheet . This will become the first page of your assignment . In addition, your assignment header should include your last name, first initial, course code, dash, and assignment number . This should be left justified , with the page number right justified . For example: DoeJXXX0000 - 1 1 Save a copy of your assignments : You may need to re - submit an assignment at your instructor’s request. Make sure you s ave your files in accessible location. Academic i ntegrity: All work submitted in each course must be your own original work . This includes all assignments, exams, term papers, and other projects required by your instructor . Knowingly submi tting another person ’ s work as your own , without properly citing the source of the work , is considered plagiarism . This will r esult in an unsatisfactory grade for the work submitted or for the entire course . It may also result in academic dismissal from the University . BTM8107 - 8 Dr. Yan Liu Statistics II Assignment # 5 Faculty Use Only <Faculty comments here> <Faculty Name> <Grade Earned> <Date Graded>

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    McPhersonSBTM8107 - 8 - 5 2 Part A. SPSS Assignment The “Activity 5.sav” file contains a dataset of a researcher interested in finding the best way to educate elementary age children in mathematics. In particular, she believes that 5th grade girls do better in small class sizes while boys excel in larger classes. Through the school district, she has arranged a pilot program in which some classroom sizes are reduced prior to the state - wide mathematics competency assessment. In the dataset, you will find the following variables: Participant : unique identifier Gender : Male (M) or Female (F) Classroom : Small (1) – no more than 10 children Medium (2) – between 11 and 19 children Large (3) – 20 or more children Score : final score on the statewide competency assessment. To complete this assignment 1. Exploratory Data Analysis. a. Perform exploratory data analysis on all variables in the data set. Realizing that you have six groups, be sure that your exploratory analysis is broken down by group. When possible, include appropriate graphs to help illustrate the dataset.

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    McPhersonSBTM8107 - 8 - 5 5 Math_Score Stem - and - Leaf Plot for Gender= Female Frequency Stem & Leaf 2.00 7 . 24 3.00 7 . 699 5.00 8 . 11222 8.00 8 . 55668999 6.00 9 . 002223 6.00 9 . 557888 Stem width: 10.00 Each leaf: 1 case(s) Math_Score Stem - and - Leaf Plot for Gender= Male Frequency Stem & Leaf .00 8 . 5.00 8 . 67777 4.00 8 . 8999 7.00 9 . 0000111 9.00 9 . 222223333 2.00 9 . 45 1.00 9 . 6 2.00 9 . 89 Stem width: 10.00 Each leaf: 1 case(s)

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