Calculate the sample standard deviation for this data set: 88, 73, 91. The formula for the sample standard deviation is shown, where n represents the sample size, x represents each value in the data set, and x represents the sample mean. E(x – x)² S = п — 1

Q: Given Σ(x-μ)² = 78 and N= 80, then the standard deviation, a, is approximately a) 0.994 Ob) 0.110 c)…

A: We have to find the correct choice.

Q: For a population with a mean of u=100 and a standard deviation of o=20, find the z-score for each of…

A: Z-score is computed for statistical analysis. It can be negative or positive. It is the number of…

Q: X is a normally distributed variable with a mean of 96 and a standard deviation of 10. Find the…

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Q: Find the z-score for the value 82, when the mean is 98 and the standard deviation is 3. OA. 2= -567…

A: From the provided information, Mean (µ) = 98 Standard deviation (σ) = 3 X~N (98, 3)

Q: A sample has a mean of M=90 and a standard deviation of s= 20. a. Find the z-score for each of the…

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Q: A population has a bell-shaped distribution with a mean of 90 and a standard deviation of 8. Which…

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Q: The mean and standard deviation of the sample mean is given by Mean= Hx = µ = 2560 Standard…

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Q: 1. Which of the following formulas is used to calculate the population standard deviation? A. o =…

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: Given a sample with a mean of 57 and a standard deviation of 14, find x such that Pr(X > x) = 0.813

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Q: Let X denote the lifespan for a randomly selected fly. Suppose the mean and the standard deviation…

A: let X: the lifespan for a randomly selected fly  and mean of X=E(X)=μ=25 days    standard deviation…

Q: Find the standard​ deviation, s, of sample data summarized in the frequency distribution table given…

A: Frequency distribution: The number of values lying in the particular interval or the number of times…

Q: From a normally distributed population, we took a simple random sample of 700 students with a mean…

A: Sample size n=700 Sample mean x¯=640 Population Standard deviation σ=300

Q: Find the standard deviation for the given data n3 64.Ef,x,-441, Efx7= 495917,Ex,= 188 %3D %3D %3D O…

A: Answer: Option d. 88.4503 Explanation: Given values; n=64, ∑fixi=441, ∑fixi2=495917 and ∑xi=188…

Q: Interval Frequency 20-26 1 27-33 4 34-40 6 41-47 3 48-54 16 55-61 30 62-68 30

A: The given data is:

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table given…

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Q: Can you find the standard deviation for sx and sy?

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Q: mean of 57 and a standard deviation of 14, find x such that Pr(X > x) = 0.184.

A: Given a sample with a mean of 57 and a standard deviation of 14. i.e. X~N(µ=57, σ2=142)

Q: A randam sample of 20 apartments has a mean of AED 4000 and a standard error (a/(vn)) of 1,000. You…

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Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table given…

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Q: For a population with a mean of μ= 50 and a standard  deviation of σ= 10, compute the standard error…

A: For a population with mean µ  and standard deviation σ, the standard error is σM = σ/√n, where M is…

Q: The average monthly sales of 2500 firms are normally distributed with mean $30000 and a standard…

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Q: A random sample is selected from a normal population with a mean of μ = 200 and a standard deviation…

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Q: From the following information, find the standard deviation of x and Y variable: Sigma x =235, Sigma…

A: We have given that,  Σ x = 235, Σ y = 250 and Σ x^2 = 6750,  Σ y^2 = 6840,  n = 10 Then,  We wil…

Q: If x is normally distributed with a mean of 6 and a standard deviation of 4, find P(x>8) a. 0.1915…

A: If x is normally distributed with a mean of 6 and a stnadard deviation of 4, find Px>8 Answer: b.…

Q: Find the standard deviation for the following frequency tables using the formula.

A: Given data :                       Daily Low Temperature Frequency 49.5–59.5 53 59.5–69.5…

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table below…

A: We have given the frequency distribution and we need to find out standard deviation.

Q: Given Z(-)- 78 and N= 80, then the population standard deviation, a, is approximately O al 0.975 Ob)…

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Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: Sketch the normal curve and shade the area of 0.1606 to the left of "e" under the normal curve.…

Q: For the some obsenrvations find the standard deviation s and the chance of error within 90 96 is…

A: The given confidence level is 90%. The margin of error at 90% level of confidence is 1.6449s. Where…

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table below…

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Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1.If…

A: From the given information, Assume that z-scores are normally distributed with a mean of 0 and a…

Q: For a population with a mean of  μ = 50 and a standard  deviation of  σ = 10, compute the standard…

A: Mean = 50 Standard deviation = 10

Q: The residents of Toledo produce on average 600 pounds of solid waste each year, and the standard…

A: Obtain the weight range that contains at least 75% of all residents’ annual garbage weights.   The…

Q: Studies on a machine that molds plastic water pipe indicate that when it is injecting 29.98 mm…

A: Given : The pipe has a specification of 29.98 mm plus or minus 1.81 mm Lower spec limit ( LSL) =…

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table given…

A: Using the provided formula, the sample standard deviation of the provided frequency distribution is…

Q: (a) Find the mean of p, wherep is the proportion of left-handed individuals in a random sample of…

A: Let p be the proportion of left-handed people. Given that p = 12 % = 0.12 Sample size is n = 1650.

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Solution: Let X be the readings at freezing on a batch of thermometers. From the given information,…

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

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Q: Human body temperatures have a mean of 98.4ºF and a standard deviation of 0.5ºF. Convert the…

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Q: A sample has a mean of M=60 and a standard deviation of s=7.  For this sample, find the z-score for…

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Q: nd the pooled estimate of the standard deviation if n1 = 14, n2 = 18, S1= 3.3, and S2= 2.5.

A: It is an important part of statistics. It is widely used.

Q: Assume that z scores are normally distributed with a mean of 0 and a standard deviation of 1. If…

A: The z- values tell that the number of standard deviation by which the value of a raw score is above…

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table given…

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Q: The length of time, X hours that a phone will work before it needs charging is normally distributed…

A: See the handwritten solution

Q: In an examination, the mean grade is 81 and the standard deviation is 6. Find the Z-score of the…

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Q: f the standard deviation of a normally distributed population is 22.0 and we take a sample of size…

A: It is given that the standard deviation is 22.0 and the sample size is 4.

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table below…

A: Given data is Interval Frequency 30-36 1 37-43 4 44-50 4 51-57 2 58-64 13 65-71 31…

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: According to the provided information,

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table given…

A: By using excel Calculate the table