According to an estimate, the average total parent and student debt for new college graduates was $34,400 in 2010-11 (Time, October 31, 2011). A random sample of 490 of this year's graduates showed that their average such debt is $37,000 with a standard deviation of $5470. Do the data provide significant evidence at a 1% significance level to conclude that the current average total parent and student debt for new graduates is higher than $34,400? Use both the p-value approach and the critical-value approach. Use the p-value approach. Use the t distribution table to find a range for the p-value. Enter the exact values for the range.
According to an estimate, the average total parent and student debt for new college graduates was $34,400 in 2010-11 (Time, October 31, 2011). A random sample of 490 of this year's graduates showed that their average such debt is $37,000 with a standard deviation of $5470. Do the data provide significant evidence at a 1% significance level to conclude that the current average total parent and student debt for new graduates is higher than $34,400? Use both the p-value approach and the critical-value approach. Use the p-value approach. Use the t distribution table to find a range for the p-value. Enter the exact values for the range.
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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