Starting annual salaries for individuals with master”s and bachelor”s degrees were collected in two…

Starting annual salaries for individuals with master”s and bachelor”s degrees were collected in two…

Starting annual salaries for individuals with master’s and bachelor’s degrees were collected in two independent random samples. Use the following data to develop a 90% confidence interval estimate of the increase in starting salary that can be expected upon completion of a master’s program.

Master’s Degree

Bachelor’s Degree

n1 = 60

n2 = 80

= $45,000x¯ 1

= $35,000

σ1 = $4000

σ2 = $3500

 

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