The Trial Urban District Assessment (TUDA) is a government-sponsored study of student achievement in large urban school districts. TUDA gives a mathematics test scored from 0 to 500. A score of 262 is a "basic" mathematics level, and a score of 299 is "proficient." Scores for a random sample of 1100 eighth-graders in Dallas had x = 264 with standard error 1.3. TUDA results for 2019 from the National Center for Education Statistics, at https://www.nationsreportcard.gov. O Macmillan Learning (a) We don't have the 1100 individual scores, but use of the t procedures is surely safe. Why? Because the data has a strong skew. Because the sample size is very large. Because use of the t procedures is always safe. Because the sample doesn't have outliers. оо

The Trial Urban District Assessment (TUDA) is a government-sponsored study of student achievement in large urban school districts. TUDA gives a mathematics test scored from 0 to 500. A score of 262 is a "basic" mathematics level, and a score of 299 is "proficient." Scores for a random sample of 1100 eighth-graders in Dallas had x = 264 with standard error 1.3. TUDA results for 2019 from the National Center for Education Statistics, at https://www.nationsreportcard.gov. O Macmillan Learning (a) We don't have the 1100 individual scores, but use of the t procedures is surely safe. Why? Because the data has a strong skew. Because the sample size is very large. Because use of the t procedures is always safe. Because the sample doesn't have outliers. оо

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

See similar textbooks