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A random sample of 30 Georgia residents provided a mean income of $46,000 earned last year....

A random sample of 30 Georgia residents provided a mean income of $46,000 earned last year. Another sample from Ohio residents showed a mean income of $43,000 during the same period. At the population level, using Georgia as population 1 and Ohio as population 2, did Georgia residents earn a higher income compared to the Ohio ones last year?

The hypotheses are:

Question 3 options:

a)

Ho: µ1-µ2=0 Ha: µ1-µ2≠0

b)

Ho: µ1-µ2≥0 Ha: µ1-µ2<0

c)

Ho: µ1-µ2≤0 Ha: µ1-µ2>0

d)

None of the above
math   Statistics-And-Probability   
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