Starting salaries of 64 college graduates who have taken a statistics course have a mean of...

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Starting salaries of 64 college graduates who have taken a statistics course have a mean of...

Starting salaries of 64 college graduates who have taken a statistics course have a mean of $43,500 with a standard deviation of $6,800. Find a 68% confidence interval for μ.

math Statistics-And-Probability

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Answer 1

Answer #1

n=64

s = 6800

68% confidence interval

Formula

tc =1.002 ( using t-table )

68% confidence interval is

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Answer 2

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