StudyXY
RegisterLog in

Statistical Analysis and Evaluation in Education: Computational Exam

A solved computational exam applying statistical methods to educational evaluation and analysis.

Charlotte Kelly
Contributor
4.9
42
5 months ago
Preview (2 of 2 Pages)
100%
Purchase to unlock

Page 1

Statistical Analysis and Evaluation in Education: Computational Exam - Page 1 preview image

Loading page ...

Statistical Analysis and Evaluation in Education: Computational ExamComputational ExamComplete the following questions:1.Frequency DistributionsThe following are 50 scores on a History examination.3739423038201716156252215253118211351127262622311516221762227273217321412231828293328191934202129From these scores, construct a frequency distribution table.Use nine classes, with the first class 0–4, and the last 40–44Class Intervaltallyfrequency40-44l1. (_1_)_35-39lll2. (_3_)_30-34lllllll3. (_7_)_25-29lllll-llllll4. (_11)_20-24lllll llll5. (_9_)_15-19llllllllllll6. (_12)_10-14llll7. (_4_)_5-9lll8. (_3)_0-49. (_0_)_1.From the following scores on two tests, calculate the following values:Test 1 (X): 29, 28, 25, 25, 22, 22, 21, 20, 19, 19Test 2 (Y): 34, 31, 35, 30, 31, 28, 28, 25, 24, 24Mean of Test 1 (X)10.Mx= (_23_)Mean of Test 2 (Y)11.My= (_29_)12.Summation of squared deviations scores for Test 1Σx2= (_116_)Summation of squared deviations scores for Test 213.Σy2 = (_138_)Summation of the product of deviation scores for Test 1 and Test 214.Σxy = (_107_)Correlation Coefficient:15. r = (_.8457_)1.Twenty students received the following scores on a short quiz:23, 20, 20, 19, 19, 19, 18, 18, 18, 18,17, 17, 17, 15, 14, 13, 13, 12, 12, 18.Calculate the following:16. Mean=(__17__)17. Median=(__18__)18. Mode=(__18__)19. SD =(__3____)20.Ifthissmallsampleisnormallydistributed,68%ofthescoresshouldfallbetweenwhattwovalues?______14________and______20_____________.1.A student takes examinations in a History course and an English course.The following information is taken from the two tests:HistoryEnglishStudent Score6480Mean5470SD410

Page 2

Study Now!

XY-Copilot AI
Unlimited Access
Secure Payment
Instant Access
24/7 Support
Document Chat

Document Details

Subject
Statistics

Related Documents

View all
Solved Assignments

The Statistics of Inheritance

Explore how inheritance follows predictable patterns using Punnett squares and probability. This helps explain how traits pass from parents to offspring, aiding our understanding of genetics, variation, and evolution in species.

Class Notes

Estimation and Hypothesis Testing

Learn about Two-Way ANOVA, a statistical method to analyze the effects of two independent variables on one dependent variable. Understand main and interaction effects, assumptions, and how it differs from one-way ANOVA in factorial designs.

Solved Assignments

Experimental Designs Week 4 Solution

Solutions and explanations for experimental design concepts from Week 4.

Solved Assignments

Inferential Statistics Week 2 Solution

Solutions to inferential statistics problems from Week 2 coursework.

Solved Assignments

Normal Distribution - Amount of Sleep

Application of normal distribution in analyzing sleep data.

Solved Assignments

Lab Activity 5 Sampling Distributions

Practical exercise on sampling distributions and statistical inference.

Solved Assignments

Correlation and Confidence Intervals

Explores correlation coefficients, confidence intervals, and statistical reliability.

Solved Assignments

Hypothesis Testing � Comparing Two Groups

Examines hypothesis testing methods for comparing two groups.

Solved Assignments

Probability and Statistics Assignment

An assignment covering probability theory and statistical analysis concepts.

Solved Assignments

Two-Sample Hypothesis Tests

This document provides solutions for two-sample hypothesis testing problems.