Ultrasound was used to gather the accompanying corrosion data on the thickness of the floor plate of an aboveground tank used to store crude oil, each observation is the largest pit depth in the plate, expressed in milli-in. 98 40 52 94 55 115 60 70 75 85 125 85 90 92 94 95 125 100 90 Find 1-Mean 2-Median 3- standard deviation

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A: Let the score be denoted by X. Z score corresponding to bone density score can be calculated as…

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Q: on a standardized exam, the scores are normally distributed with a mean of 21 and a standard…

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Q: Scores on a test have a mean of 86 and a standard deviation of 13. Jerrica has a score of 94.…

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A: Given Information: Mean μ=110 Standard deviation σ=60 To find the approximate percentage that a…

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A: Define empirical rule first .  Empirical Rule :  The empirical rule, also referred to as the…

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Q: Describe about the Error Variability?

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Q: Change z-score (-2.00) into X value – Mean = 50, standard deviation = 10

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Q: Systolic  blood pressure values are approximately normally distributed with a mean of 100 mmHg and…

A: According to the given information, we have Systolic  blood pressure values are approximately…

Q: What are the best ways to find the standard deviation?

A: Standard deviation is a measure of variability. It describes how far the data falls from the…

Q: A researcher wants to know the lifetime of a "BL" brand lamp. For necessity research, it takes 9…

A: Given : Population Mean life , μ = 1500 hrs Population standard deviation , σ = 111 hrs

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Q: Pulse rates of women have a normal distribution with a mean 75 and a standard deviation of 8. What…

A: Let "X" be the pulse rates of women.

Q: The lifespan of a certain light bulb in (hours) is a Normal model of (400,10)  What do the standard…

A: From the provided information, The lifespan of a certain light bulb follows Normal model (400, 10).

Q: A student will spend 15 hours average each week in class. If the standard deviation is 2 hours, what…

A: Given that mean=15 and standard deviation = 2 Let, X= number of hours spent by a student in the…

Q: Explain Mean of the Squared Deviations?

A: