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The mayor of a large city claims that the average net worth of families living in the city is K. shs 300,000. A random sample

The mayor of a large city claims that the average net worth of families living in the city is K. shs 300,000. A random sample of 100 families selected produces a mean wealth of kshs 288, 000 with a standard deviation of Kshs 80,000.Using 5% level of significance, can you conclude the mayors' claim is false?

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