According to the US Census Bureau. the number of people in a household has amean of 2.6 and a standard deviation of 1.5. Suppose the census bureauinstead had estimated this mean using a random sample of 225 homes and that sample had a mean of 2.4 and standar deviation of 1.4. Describe the center and spreadof the sample mean for 225 homes. What does the distribution describe?

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A: Mean:The formula for finding mean is shown below:

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A: 69.5 2.62 64.4 2.53 American woman:

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A: Given that For textbooks, mean = 14, and SD = 5 For age, mean = 42, and SD = 10

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A: If an adult male is told that his height is within 2 standard deviations of the mean.

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A: Given For males, μ=4.296σ=0.907 For females μ=3.764σ=0.866

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A: Given, The heights of adult men in America are normally distributed, with a mean of 69.2 inches and…

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A:

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A: HERE GIVEN FOR BELL SHAPED DISTRIBUTION  MEAN=$108 S.D=$21

Q: The U.S. Department of Transportation provides the number of miles that residents of the 75 largest…

A: confidence interval is a part of interval estimation. Interval estimation gives the value of the…

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A:

Q: The heights of adult men in America are normally distributed, with a mean of 69.8 inches and a…

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A: Given data  Mean = 40 and standard deviation= 8

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