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

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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. Did Georgia residents earn a higher income compared to the Ohio ones last year? The test statistic is…

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Answer 1

Answer #1

we will make use of t - statistic to test claim Georgia residents earn a higher income compared to the Ohio ones last year.

reason os using t statistic here is that we have small sample size to apply central limit theorem or make use of z distribution.

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

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