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Heights of female on a softball team have a​ bell-shaped
Heights of female on a softball team have a​ bell-shaped distribution with a mean of 154 cm and a standard deviation of 10 cm. Using the empirical​ rule, the approximate percentage of the men between … read more
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Suppose that prices of a certain model of new homes are
Suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. Use the 68-95-99.7 rule to find the percentage of buyers who paid:between $150,000 and $154,800 if… read more
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Assume that a set of test scores is normally distributed
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 25. Use the​ 68-95-99.7 rule to find the following quantities. I am trying to figure out how to … read more
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What percentage of the area of the standard normal distribution
What percentage of the area of the standard normal distribution is between z = -1.00 and z = +1.00? How do you know this?… read more
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Good Morning. New homes are distributed with a mean of $150,000.
Good Morning. New homes are distributed with a mean of $150,000. Using the 68-95-99.7 rule what percentage of buyers paid between $150,000 and $153,600 if the standard deviation is $1,800?… read more
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For Susan Athena*** 1. Name the four basic sampling techniques. 2.
For Susan Athena*** 1. Name the four basic sampling techniques. 2. Why are samples used in statistics? A large population has a mean of 310 and a standard deviation of 37. Using the empirical rule, fi… read more
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What percent of observations fall between the mean and one
What percent of observations fall between the mean and one standard deviation? In a normal distribution, 95% of the data is located between the mean and how many standard deviations? In a normal distr… read more
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What are the characteristics of a standard normal distribution
What are the characteristics of a standard normal distribution? Can two distributions with the same mean and different standard distributions be considered normal? How might you determine if a distrib… read more
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When would you use Chebyshevs theorem and the empirical rule
When would you use Chebyshev's theorem and the empirical rule in business? How are they calculated? Provide one real-life example that requires Chebyshev's theorem and one that requires the empirical … read more
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What true percent of the data lies within one standard deviations
What true percent of the data lies within one standard deviations of the mean? Within two standard deviations of the mean? How do these results agree with the Empirical Rule? The median is 2207, Max i… read more
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1. Using the data set {Y 25 21 45 74 41 78 16 35 43 47 35
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Using the 68-95-99.7 rule Assume that a set of test scores
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some IQ tests are standardized to a normal model with a mean
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When would you use Chebyshevs theorem and the empirical rule
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What true percent of the data lies within one standard deviations
What true percent of the data lies within one standard deviations of the mean? Within two standard deviations of the mean? How do these results agree with the Empirical Rule?Standard deviation-653.182… read more
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Assume the resting heart rates for a sample of individuals
Assume the resting heart rates for a sample of individuals are normally distributed with a mean of 70 and a standard deviation of 15. Use the 68-95-99.7 rule to find the following quantities 10. % of … read more
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TRUE OR FALSE 1._____ The arithmetic mean is the sum of
TRUE OR FALSE 1._____ The arithmetic mean is the sum of the observations divided by the total number of observations. 2._____ There are always as many values above the mean as below it. 3._____ The st… read more
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Part I T/F and Multiple Choice Questions 1. The mean, median,
Part I T/F and Multiple Choice Questions 1. The mean, median, and mode are the most common measures of dispersion (spread). _____(T/F) 2. Each set of data has four quartiles; they divide the ranked da… read more
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