4. A population has a mean of 500 and a standard deviation of 30. According to...
4. A population has a mean of 500 and a standard deviation of 30. According to the Empirical rule, what percentage of the data would be found between (a) 410 and 590? (b) 440 and 560?
5. A population has a mean of 200 and a standard deviation of 16. According to Chebyshev's Theorem, what percentage of the data would be found between 160 and 240?
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4. A population has a mean of 500 and a standard deviation of
30. According to...
A population is normally distributed with a mean of 55 and a standard deviation of 4....
A population is normally distributed with a mean of 55 and a standard deviation of 4. Using the Empirical Rule, approximately what percentage of data values fall between 51 and 59? Please show your calculations.
Consider a population of 1,024 mutual funds that primarily invest in large companies
Consider a population of 1,024 mutual funds that primarily invest in large companies. You have determined that μ, the mean one-year total percentage return achieved by all the funds, is 8.20 and that σ, the standard deviation, is 2.75. a. According to the empirical rule, what percentage of these funds is expected to be within ±1 standard deviation of the mean? b. According to the empirical rule, what percentage of these funds is expected to be within ±2 standard deviations of the...
The mean income of a group of sample observations is $500: the standard deviation is $40....
The mean income of a group of sample observations is $500: the standard deviation is $40. According to Chebyshev's theorem, at least what percent of the incomes wil lie between $400 and $600? Percent of the incomes
The mean of a data set is 750 with a standard deviation of 25. According to...
The mean of a data set is 750 with a standard deviation of 25. According to Chebyshev's Rule, ________________% of data falls between 650 and 850. Enter your answer to two decimal places.
In a normally distributed data set with a mean of 22 and a standard deviation of...
In a normally distributed data set with a mean of 22 and a standard deviation of 4.1, what percentage of the data would be between 17.9 and 26.1? a)95% based on the Empirical Rule b)99.7% based on the Empirical Rule c)68% based on the Empirical Rule d)68% based on the histogram
If a variable has a distribution that is bell-shaped with mean 15 and standard deviation 3,...
If a variable has a distribution that is bell-shaped with mean 15 and standard deviation 3, then according to the Empirical Rule, 68.0% of the data will lie between which values? (This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.) According to the Empirical Rule, 68.0% of the data will lie between __ and __.
1. A population has a mean of 60 and a standard deviation of 30. Samples of...
1. A population has a mean of 60 and a standard deviation of 30. Samples of size 16 are randomly selected. Calculate the standard deviation of the sample distribution X. 2. Samples of size 16 are drawn from a population. the sampling distribution for X has a standard deviation of 0.25. Find the standard deviation of the population. 4. Tires are found to have a mean life of 40,000 miles. The standard deviation is 8000. A sample of 400 is...
Chebyshev's Theorem and the Empirical Rule 1. For a distribution with mean 80 and standard deviation...
Chebyshev's Theorem and the Empirical Rule 1. For a distribution with mean 80 and standard deviation 10 A) What percentage of values will fall between 60 and 100? B) What percentage of values will fall between 50 and 110? 2. The average U.S. yearly per capita consumption of citrus fruit is 26.8 pounds. Suppose that the A) What percentage of Americans would you expect to consume more than 31 pounds of citrus d is bell-shaped with a standard deviation of...
If a population has a mean of 101 and a standard deviation of 7.5, where precisely,...
If a population has a mean of 101 and a standard deviation of 7.5, where precisely, does the Empirical Rule state that 95% of the observation/data lie? 2) If you are in the 80th percentile on a standardized test, explain what this means. DId you score 80% on the test?
If a variable has a distribution that is bell-shaped with mean 28 and standard deviation 7,...
If a variable has a distribution that is bell-shaped with mean 28 and standard deviation 7, then according to the Empirical Rule, 68.0% of the data will lie between which values?
The mean income of a group of sample observations is $500: the standard deviation is $40. According to Chebyshev's theorem, at least what percent of the incomes wil lie between $400 and $600? Percent of the incomes
Chebyshev's Theorem and the Empirical Rule 1. For a distribution with mean 80 and standard deviation 10 A) What percentage of values will fall between 60 and 100? B) What percentage of values will fall between 50 and 110? 2. The average U.S. yearly per capita consumption of citrus fruit is 26.8 pounds. Suppose that the A) What percentage of Americans would you expect to consume more than 31 pounds of citrus d is bell-shaped with a standard deviation of...
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