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In: Statistics and Probability

Suppose the mean income of 35-year -olds in the United States is $25,000. A random sample...

Suppose the mean income of 35-year -olds in the United States is $25,000. A random sample of 150 35-year-olds in California results in a sample mean income of $26,600 and a sample standard deviation of $3800. At the 1% significance level, can we conclude that the true mean income of 35-year-old Californians is greater than that of the nation, in general?

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Conclusion

It is concluded that the null hypothesis Ho is rejected. Therefore, there is enough evidence to claim that the true mean income of 35-year-old Californians is greater than that of the nation, in general At the 1% significance level .

orchestra answered 2 years ago
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