What z-score would be associated with the value x = 172?

Q: A population has a mean u=87 and a standard deviation o = 12. Find the mean and standard deviation…

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Q: What z-score would be associated with the value x = 143?

A: Given that Mean = 137 SD = 15 And the value X = 143

Q: A population of scores has mean 80. in this population, a score of X= 86 corresponds to z= +2. what…

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Q: A sample has a mean M = 55. For the sample, the standard deviation is ? = 12 and the score…

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Q: Use z scores to compare the given values. The tallest living man at one time had a height of 242 cm.…

A: Thus, the standard z-score for the tallest man is 10.51.

Q: A z-score of −1 tells us that a score fell one standard deviation below the mean in a group of…

A: Empirical rule: For a normal distribution, the approximate values that fall in the specified…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 98.5 and a standard…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: What is the Z value for a value of X = 60?

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Q: The scores on a mathematics exam have a mean of 70 and a standard deviation of 7. Find the x-value…

A: given data μ = 70σ = 7Z = -1.28X = ?

Q: For a population, a deviation score is computed as X – σ.

A: What is Deviation score ? Deviation score is basically a degree of score from which a raw score is…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.4 and a standard…

A: Given,Mean, μ = 96.4Standard deviation, σ = 18Using formula,

Q: A given distribution has a population mean, μ, of 142 and a population standard deviation, σ, of 11.…

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Q: A data set lists weights (lb) of plastic discarded by households . The highest weight is 5.47 lb ,…

A: a. Consider that the mean and standard deviation of a random variable X are x̄ and s, respectively.…

Q: he mean on an exam is 80 with a standard deviation of 5 points. If Joe scored a 90 on the exam, what…

A: given data, μ=80σ=5x=90 z score for the given data=?

Q: A given distribution has a population mean, μ, of 138 and a population standard deviation, σ, of 10.…

A: According to the given information, we have Population mean = 138 Population standard deviation = 10…

Q: A set of test scores has a mean of 27 and a standard deviation of 4.2. Calculate the raw scores for…

A: We have given that, A set of test scores has a mean of 27 and a standard deviation of 4.2   The…

Q: Solve for the mean and the standard deviation of the following normally distributed set of data. a.…

A: We have given that Standard deviation below mean is 6.7 and standard deviation above the mean is 9.9

Q: A given distribution has a population mean, μ, of 134 and a population standard deviation, σ, of 11.…

A: According to the provided information, we have Raw score, X = 91 μ, Population mean = 134 σ,…

Q: A population of scores has u=55 and o=15.  if 5 points are subtracted from every score in the…

A: The given data is μ = 55σ = 15 Suppose x1, x2, x3, x4, ..., xn are the data points…

Q: A given distribution has a population mean, μ, of 139 and a population standard deviation, σ, of 15.…

A: Given data, Mean( μ)=139 sd( σ)=15 If x=81 z=?

Q: A set of sociology exam scores are reported as X values and z-scores. On this exam a score of X = 75…

A: Given information: The X values with their corresponding z-score is summarized in the following…

Q: A given distribution has a population mean, μ, of 131 and a population standard deviation, σ, of 11.…

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Q: Use z scores to compare the given values. The tallest living man at one time had a height of 225 cm.…

A: Normal distribution in the center is generally denser and basically less dense at the tails. There…

Q: In the United States, the distribution of a male's height has a mean of 69 inches with a standard…

A: The z-score is to measure how far the standard deviation is from the mean (above or below). If…

Q: Suppose a population is known to be normally distribted with a mean, μ, equal to 116 and a standard…

A: Given information- Population mean, μ = 116 Population standard deviation, σ = 14 So, the percent of…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

Q: A given distribution has a population mean, μ, of 138 and a population standard deviation, σ, of 9.…

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