Suppose Tatiyana is interested in the relationship between language ability and time spent reading. She randomly selects a sample of 30 students from the 120- 100– local high school and collects their scores from 80- language aptitude test. She surveys the sample asking each student how many hours per month he or she 60- spends reading. 40- Using the sample data, Tatiyana produces a 20- scatterplot with reading time on the horizontal axis and language test scores on the vertical axis. She 10 20 25 develops a least squares regression equation where x Reading time in hours is the amount of time spent reading during the month and ŷ is the predicted value of the language test score. ŷ = 3.251x + 31.237 Compute the value of ŷ when a student spends 36 hours reading. Give your answer precise to one decimal place. Avoid rounding until the last step. points Language test score in points
Suppose Tatiyana is interested in the relationship between language ability and time spent reading. She randomly selects a sample of 30 students from the 120- 100– local high school and collects their scores from 80- language aptitude test. She surveys the sample asking each student how many hours per month he or she 60- spends reading. 40- Using the sample data, Tatiyana produces a 20- scatterplot with reading time on the horizontal axis and language test scores on the vertical axis. She 10 20 25 develops a least squares regression equation where x Reading time in hours is the amount of time spent reading during the month and ŷ is the predicted value of the language test score. ŷ = 3.251x + 31.237 Compute the value of ŷ when a student spends 36 hours reading. Give your answer precise to one decimal place. Avoid rounding until the last step. points Language test score in points
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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