In order to investigate the relationship between mean job tenure in years among workers who have a bachelor s degree or higher and those who do not, random samples of each type of worker were taken. Sample 1 had mean value of 8.2, standard deviation of 1.3 and a sample size of 155. Sample 2 had mean value of 7.0, standard deviation of 1.5 and a sample size of 210. Construct the 90% confidence interval for the difference in the population means based on these data.     "0.9506 to 1,4493"     0.9506 to 1.5593     0.8756 to 1.4493     0.1234 to 0.4321     0.7506 to 1.4493

MATLAB: An Introduction with Applications
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In order to investigate the relationship between mean job tenure in years among workers who have a bachelor s degree or higher and those who do not, random samples of each type of worker were taken. Sample 1 had mean value of 8.2, standard deviation of 1.3 and a sample size of 155. Sample 2 had mean value of 7.0, standard deviation of 1.5 and a sample size of 210. Construct the 90% confidence interval for the difference in the population means based on these data.
   
"0.9506 to 1,4493"
   
0.9506 to 1.5593
   
0.8756 to 1.4493
   
0.1234 to 0.4321
   
0.7506 to 1.4493

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