Question

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?

A) Georgia income was not higher than Ohio income last year

B) Georgia income was neither higher nor lower than the one of Ohio last year

C) Georgia income was higher than Ohio income last year

Answer 1

solution:

it is given that the Georgea is considered as population 1 so mean income of population of Georgea is denoted by and mean income of population of Ohio is considered as

the sample size n1 = 30

and = $ 46,000

= $43000

so based on this data it , if we have to select any one of the 3 option provided , the third option is correct:

C: Georgia income was higher than Ohio income last year

because mean income from sample is high of georgea than mean income of Ohio.