A random sample of 10 subjects have weights with a standard deviation of 13.0649 kg. What is the variance of their weights? Be sure to include the appropriate units with the result. The variance of the sample data is (Round to four decimal places as needed.)

Q: In a series of 5 observations, the values of mean and variance are 4.4 and 8.24. If three…

A: It is given that the mean and standard deviation are 4.4 and 8.24.

Q: The mean and Standard deviation of a distribution are 90 and 6.5 respectively. Find the coefficient…

A:

Q: Based on the table, the standard deviation is 0.5 male. What is the variance? Include appropriate…

A: Given The data is as follows: The standard deviation is 0.5 male.

Q: In a series of 5 observations, the values of mean and variance are 4.4 and 8.24. If three…

A:

Q: A successful basketball player height is 203 cm. His converts to the z score of 4.10. How many…

A: Consider, X = 203  z-score = 4.10 z-score is a numerical value that tells the number of standard…

Q: Run an appropriate test to compare variance between x1 and x2. What is the name of the test you…

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Q: Solve for the range, variance, and standard deviation of this data: 40, 34, 50, 46, 47, 39.

A: Given data set 40,34,50,46,47,39

Q: 2. Suppose that a continuous random variable X has PDF f(x) = }7 (1 – x²) -1<x<1 else

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

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Q: The variance of a population is 6. the size of the sample collected from a population is 228 What is…

A: Variance of population=S2=6, Sample size=228

Q: Why do we take the square root of the variance to obtain the standard deviation? to make the…

A: We know that, Standard deviation: It is the positive square root of the arithmetic mean(A.M.)  of…

Q: A population has SS = 100 and variance = 4.  How many scores are in the population?

A: The formula of the population variance is ,

Q: Find the standard deviation if the mean = 2, mode = 5, variance = 56 . Round your answer to three…

A: We have given that,  Mean (x̄) = 2 , mode (z) = 5 and variance        (s^2) = 56 Then,  We will find…

Q: The variance of a population is 8. the size of the sample collected from a population is 328 What is…

A: Answer: From the given data, Variance (σ2) = 8 Sample size(n) = 328

Q: The first four moments of a distribution about the value 5 of the variables are 2, 20, 40 and 50.…

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Q: ind the range, the standard deviation, and the variance for the given samples. Round noninteger…

A: The given sample observations are:74, 70, 79, 81, 89, 72, 66, 78, 77, 73, 95 The objective is to…

Q: Given that the variance for a data set 1.20, what is the standard deviation?

A: The standard deviation is calculated by taking the square root of variance. Variance is given as…

Q: Listed below are measured amounts of caffeine (mg per 12oz of drink) obtained in one can from each…

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Q: Assume you have taken 125 samples of size 81 each from a population. The population variance is 64.…

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Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: In statistics, variance is the average squared distance of each data points from the population…

Q: Compare the variance and standard deviation of the figures provided

A: From the given information,

Q: Smelt is a type of flood fish. Smelt lengths are normally distributed with a mean of 15 cm and a…

A: Given: µ = 15 σ = 1

Q: The variance of a population is 5. The size of the sample collected from a population is 225. What…

A: Answer: From the given data, Variance (σ2) = 5 ⇒Standard deviation (σ) = Variance = 5…

Q: 90 85 75 76 81 76 75 76 76 96 89 88 73 81 93 76 76 96 89 88 73 81 89 74 74 74 76 86 75 96 79 73 86…

A: x x2 90 8100 85 7225 75 5625 76 5776 81 6561 76 5776 75 5625 76 5776 76 5776 96…

Q: 3) A study of estrogen levels in two different groups of women finds the following results (in…

A: Solution For 4: The summary statistics for estrogen levels of two different groups of women are…

Q: With the extra data value,  the range, standard deviation, and variance is?

A: Given data: 3.31 2.79 2.83 1.97 1.69 2.54 2.46 3.44 3.93 1.59 2.86 1.61 2.57 4.02 2.49 2.42…

Q: Square of the standard deviation is called

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Q: The following table gives the marks of a sample of students in Statistics. Marks No. of Students 40…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: FInd the Dispersion (Range, Variance, Standard Deviation, Coefficient of Variation - whichever is…

A: Dispersion is the measure that used to summarize the information of the larger data set without…

Q: The mean value for the given data set is equal to 1.0. {-4. -2, 3. 8, . 3.-1, 4) You are required…

A: The given data is: -4, -2, 3, 8, ... , 3, -1, 4 Let the missing number be: x (1). Therefore the mean…

Q: If the deviations six of values from their mean are 0 , -6, 7 , -2 , 5 , -4 then the variance equal…

A: Variance: Variance is used to explain how the data points (or values) are deviated from the mean and…

Q: The mean and standard deviation of a set of 11 observations of time are 8 seconds and 2.5 seconds…

A: We have given that Sample mean (x̅) = 8Standard deviations (s) = 2.5

Q: A certain data set has a variance of 9.  Find the standard deviation of the data set.

A: Given :-   Variance (S2) =9   we have to find standard devistion.

Q: Find the variance and standard deviation. Round the variance to two decimal places and standard…

A: Given A binomial experiment has the given number of trials n and the given success probability p.…

Q: Compute the (sample) variance and standard deviation of the data sample. (Round your answers to two…

A: Answer Given,-1,7,7,3,14.Formulas: