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It is claimed that average income in California is higher than average income in Texas. To test this claim at 5% level of significance, a

It is claimed that average income in California is higher than average income in Texas. To test this claim at 5% level of significance, a sample of 350 people in California shows average income $76000 and sample variance $3750. Another sample of 450 people in Texas shows average income of $74500 and sample variance $2125. Test this claim using p-value method.

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