If the variance of the data values in a sample is 324, what is the standard deviation of the data values? A. 17 В. 19 C. 16 D. 18
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A: Given data, μ=70σ=6
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Q: The variance of a data set is 10. What is the standard deviation of the data set? O 10 O 3.16 O 100…
A: We can find the standard deviation as below
Q: Value | Frequency 27 96 58 3 54 4 18 7
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A: The variance of a sample isσ2=∑i=1nxi-x2n-1 And the standard deviation isσ=σ2
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Q: 1. Determine the Range, Standard Deviation, and Variance of the height in inches of the 30…
A: Here use formula of standard deviation, variance and range
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Q: For a population that has a standard deviation of 10, figure the standard deviation of the…
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Q: 5. If a population has a standard deviation of 16, what is the minimum number of samples that need…
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Q: 6. Which of the following statistics may be obtained even if not all the values in the data are…
A: Given problem Given that Which of the following statistics may be obtained even if not all the…
Q: If the standard deviation of the data values in a sample is 14, what is the variance of the data…
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Q: Given that the mean of a data set is 20, and the standard deviation of this data set is 8, then what…
A: Solution : Given : μ = 20 σ = 8 X = 40 The value of Z-score can be computed…
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Q: CTIVITY
A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want…
Q: d the mean, variance and standard deviation of the following data: X 19 20 21 22 23 P(X) 0.2 0.2 0.3…
A: From the given information we find the solution.
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A: NOTE: Refresh your page if you can't see any equations. . here mean of the data set is and the…
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A: Given data: x 17.6 10.5 5.4 4.8 14 16.7 To calculate the standard deviation and…
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Q: If the variance is 4.1 grams, what is the standard deviation? Multiple Choice 1.100 2.025…
A: Given that, Variance = 4.1 grams
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A: Given, X~Nμ,σ where μ=2950 grams and σ=340 gramsfind P(x<2610)=?
Q: If the variance is 140.2, what is the Standard deviation from the following? O a. 16.56 O b. 11.84 O…
A: Given data,Variance=140.2Standard deviation=?
Q: What is the value of k? What is the standard deviation?
A: Here use basic of discrete probability distribution
Q: Consider the following data sets: Which of the two data sets has larger standard deviation? I II…
A: Option a) is correct. Data set I has higher standard deviation.
Q: If a data value has a z-score of 3.00 and the mean of the distribution is 100 with a standard…
A: 1) Given data, z=3 μ=100 σ=15 X=?
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Q: 4) Which of these samples would have the smallest standard deviation? a. 101, 92, 84, 131 b. -25,…
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Q: For the study purpose, the mean of the observations is 148 gm and standard deviation is 17.4 gm.…
A: The coefficient of variation is calculated asCV=σμ×100%
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Q: which of the following would be expected to result in a larger standard error of the mean? (a) a…
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Q: Given forecast errors of -5, 8, 8, and -3, what is the mean absolute deviation? O 2 O 4 6
A: The mean absolute deviation is obtained below: The given forecast error is -5, 8, 8 and -3. Let E…
Q: the standard deviation of a sample of 50 observations equals 10. the variance of the sample equals?…
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Q: Which data set would you expect to have the highest standard deviation? Why? Heights (lengths) of…
A: 7. Answer: The b) Heights of all elementary school children have the highest standard deviation.
Q: The coefficient of variation for a data set is the mean divided by the standard deviation, expressed…
A: The provided statement is "False".
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A: Solution
Q: The standard deviation of a variable is 15. If a sample of 100 individuals is selected, what size…
A: The standard error of mean is, SE = σ/√n, where σ is the standard deviation and n is the sample…
Q: If the mean of the variable Depression is 32 and its standard deviation is 6, which of the following…
A: Ans#- Given, If the mean of the variable Depression μ = 32 and its standard deviation σ = 6,…
Q: The three data sets have the same mean and range, but is the variation the same? Prove your answer…
A: For all the parts, it is given that, x=5+7+9+11+13+15+177=777=11
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