18 Recent evidence suggests that graduating for college during bed economsnimh'ng or long time (haca Times June 1, 2012)

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18 Recent Evidence Suggests That Graduating For College During Bed Economsnimh Ng Or Long Time Haca Times June 1 2012 1 (39.68 KiB) Viewed 29 times

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18 Recent evidence suggests that graduating for college during bed economsnimh'ng or long time (haca Times June 1, 2012). An associate dean at a prestigious college wants to dete college graduates has declined from 2008 to 2010. He expects the vartance of the series to the answer The data are shown in the accompanying table and are contained in the accompanying wie 34, dag Oto 56.00 49,000 52.000 48.000 52,000 56,000 49,000 50,000 42,000 63,000 46,000 38,000 47,000 45,000 47,000 54,000 44,000 59,000 46,000 32.000 se.no 33.000 46.000 71.000 38,000 38,000 60.000 65,000 43,000 67,000 25,000 26,000 53,000 51,000 11,000 31,000 68,000 49,000 30,000 51,000 49.000 33,000 40.000 50,000 42.000 33.000 57.000 53,000 39.000 67,000 39,000 54,000 48.000 55,000 65,000 50,000 65,000 49,000 48,000 52.000 34.000 44,000 65.000 66.000 57.000 66.000 46.000 69,000 46.000 43,000 50.000 30,000 51,000 56,000 17.000 44,000 40,000 51,000 55,000 Click here for the Excel Data File nioni of college graduates in 2008 and Sample 2 be the sample of the starting salary

18 Let Sample 1 be the sample of the stwing salary of college graduates in 2002 college graduates in 2010 . Specify the competing hypotheses that determine whether the stwing way of coleget eder. 200 OS O## - - 0 - - O Mo. - O - P < . ON - 12 ; MAT-> b. Find the p-value Op-value 0.10 O 0.05 s p-value < 0.10 O 0.025 s p-value < 0.05 O 0.01 s p-value < 0.025 O p-value <0.01 c. At the 5% significance level, have salaries gone down from 2008 to 2010?

Find the pvalue De Opvalue 20.10 O 0.05 p-value <0.10 O 0.025 s pvalue <0.05 0.01 < p value <0.025 Opvalue <0.01 c. At the 5% significance level, have salaries gone down from 2008 to 20107 Reject to there is evidence that the starting salary of college graduates has declined from 2008 to 2010 Reject Hai there is not sufficient evidence that the starting salary of college graduates has declined from 2008 to 2010. Do not reject No: there is evidence that the starting salary of college graduates has declined from 2008 to 2010. O Do not reject Ho: there is not sufficient evidence that the starting salary of college graduates has declined from 2008 to 2010 < Prey 18 of 25 Next >

es to be different betwee mpanying table and are contained in the accompanying Excel file. any 2003 -53-22) 2010 Balary 2008 19 34,000 56,000 49,000 52.000 48,000 52,000 56,000 49,000 50,000 42,000 63,000 46,000 38,000 47,000 45,000 47,000 54,000 144,000 59,000 46,000 Salary 2010 48) 32,000 58,000 33,000 46,000 71,000 38,000 38,000 68,000 65,000 43,000 67,000 25,000 26,000 53,000 51,000 11,000 31,000 68,000 49,000 30,000 51,000 49,000 33,000 48,000 50,000 42,000 33,000 57,000 53,000 39,000 67,000 39,000 54,000 48,000 55,000 65,000 50,000 65,000 49,000 48,000 52.000 34.000 44,000 65,000 66.000 57,000 66,000 46,000 69,000 46,000 43,000 50,000 30,000 51,000 56,000 17.000 44,000 40,000 51,000 55,000

Recent evidence suggests that graduating from college during bad economic times can impact the graduate's earning power for long time (Financial Times, June 1, 2012). An associate dean at a prestigious college wants to determine if the starting way of this college graduates has declined from 2008 to 2010. He expects the variance of the salaries to be different between these two The data are shown in the accompanying table and are contained in the accompanying Excel file. Bary 2008 ary 2010 any 2000 Kaart 2010 34,000 56,000 49,000 52,000 48,000 52,000 56,000 9,000 ,000 000 000 000 700 -00 20 0 32,000 58,000 33,000 46,000 71,000 38,000 38,000 68,000 65,000 43.000 67,000 25,000 26,000 53,000 51,000 11,000 51,000 49.000 33,000 48,000 50,000 42,000 33,000 57,000 53,000 39,000 67,000 39,000 54,000 48,000 55,000 65,000 52.000 34.000 44,000 65.000 66,000 57,000 66,000 46,000 69,000 46,000 43,000 50,000 30,000 51,000 56,000 17,000

Click here for the Excel Data.Elle Let Sample 1 be the sample of the starting salary of college graduates in 2008 and Sample 2 be the sample of the starting wary of college graduates in 2010. a. Specify the competing hypotheses that determine whether the starting nilay of college graduates has declined from 2008 - 2010 Not - #2 - 0; B: M - 1 - 0 ONO - My0;W M - 12 < 0 Оно + и - h = 0; Ва! - h» о . Find the p-value. O p-value > 0.10 O 0.05 s p-value <0.10 O 0.025 s p-value < 0.05 O 0.01 s pvalue < 0.025 Opvalue <0.01

b. Find the p value. O p-value 20.10 O 0.05 s p-value <0.10 O 0.025 s p-value <0.05 O 0.01 < p-value <0.025 O p-value <0.01 c. At the 5% significance level, have salaries gone down from 2008 to 2010? O Reject Ho: there is evidence that the starting salary of college graduates has declined from 2008 to 2010 O Reject No: there is not sufficient evidence that the starting salary of college graduates has declined trom 2008 to 2010. O Do not reject #g: there is evidence that the starting salary of college graduates has declined from 2008 to 2010. Do not reject Ho, there is not sufficient evidence that the starting salary of college graduates has declined from 2008 to 2010. < Prev 18 of 251 Next >

Recent evidence suggests that graduating from college during bad economic times can impact the graduate's earring power for a long time (Financial Times. June 1, 2012). An associate dean at a prestigious college wants to determine if the starting salary of his college graduates has declined from 2008 to 2010. He expects the variance of the salaries to be different between these two years The data are shown in the accompanying table and are contained in the accompanying Excel file.

Bain 2010 Salary 2008 ($) 34,000 56,000 49,000 52.000 48,000 52,000 56,000 49,000 50,000 42,000 63,000 46,000 38,000 47.000 45,000 47,000 54,000 44,000 59,000 46,000 Salary 2010 ($) 32,000 58,000 33,000 46,000 71,000 38.000 38,000 68,000 65,000 43,000 67,000 25,000 26,000 53,000 51,000 11,000 31,000 68,000 49,000 30,000 Salary 2008 (9) 51,000 49,000 33,000 48,000 50,000 42,000 33,000 57.000 53,000 39,000 67,000 39,000 54,000 48,000 55,000 65,000 50,000 65,000 49,000 48,000 52.000 34.000 44,000 65.000 66,000 57000 66,000 46.000 69,000 46.000 43,000 50,000 30,000 51,000 56,000 17,000 44,000 40,000 51,000 55,000