A population has a standard deviation of 18 on average how much difference should exist for a random sample of 36 scores
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Q: A population has a standard deviation of 18. On average, how much difference should exist for a…
A: It is given the population standard deviation is 18.
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Q: A population has a standard deviation of 18. On average, how much differece should exist for a…
A:
Q: A population has a mean of μ=50 and a standard deviation of sigma=10. a. If 3 points were added to…
A: Given: Population mean (µ) = 50 Population standard deviation (σ) = 10
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A: GivenN=16standard deviation(SD)=2
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Q: A population has a mean of 75 and a standard deviation of 15. You randomly sample nine people from…
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A: The sample size is 40, average statistics midterm score is 73 points, and standard deviation is 7.3.
Q: A population is normally distributed with a mean of 50 and a standard deviation of 10. Find the…
A: Given data,Mean μ=50sd σ=10P(X<44)=?
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Q: A set of data items is normally distributed with a mean of 60. Convert the data item to a z -score,…
A: Solution: z-score for given data item is 1.
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A: Mean = 75 Standard deviation = 15 Sample size = 9
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Q: Suppose that the variance of a hypothetical population is 49. What is the standard deviation?
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Q: If the standard error of the mean is σx̅ = 3 and the sample size is n = 64, then the population…
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Q: A population has a standard deviation of σ = 24. a. On average, how much difference should exist…
A: Given : A population standard deviation : σ=24. The average distance of sample mean from population…
Q: In a certain distribution of numbers, the mean is 40 with a standard deviation of 5. Atleast what…
A: Given data: Mean = 40 standard deviation = 5. To find: Atleast what fraction of the numbers are…
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A: Given,sample size(n)=25mean(μ)=12standard deviation(σ)=3.5
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Q: A population has a standard deviation of 18 on average how much difference should exist for a random…
A: A population has a standard deviation of 18.
Q: Suppose the variance of a sample is 7.3. Find the standard deviation. Round to two decimals.
A: Given : Variance , s2 = 7.3
Q: The average score of the students of a certain class in a 100-item quiz is 83 with a standard…
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Q: A standardized test has a mean of 50 and a standard deviation of 4. Which of the following is the…
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Q: The variance of a sample of 100 observations 81. the standard deviation of the sample equals?
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Q: A population has a standard deviation of = 30. A. On average, how much differences should exist…
A: Given Standard deviation (σ) = 30Sample size (n) = 4and standard error = σn…
Q: pls help me and write the solution down on a paper if you can thank you
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Q: Suppose the variance of a sample is 5.7. Find the standard deviation. Round to two decimals.
A: According to the given information, we have Variance = 5.7
Q: A set of data items is normally distributed with a mean of 60 and a standard deviation of 9. Convert…
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