The annual commissions per salesperson employed by a retailer of mobile communication devices averaged $43,600, with a standard deviation of $4,600. What percent of the salespersons earn between $35,000 and $40,500? Multiple Choice 21.94% 25.02% 74.98% 68.26%

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A: Estimated standard deviation of b1 = ?

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A: Given that Mean(µ) = 24.8 Standard deviations (σ) = 6.2

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A: Given: Minimum = 3 Median = 15 Q3 = 16 IQR = 4 Maximum = 19

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A: It is given that 29% of the users purchase online. Therefore, probability of a randomly selected…

Q: Calculate the mean, standard deviation, and variance for the following five scores: 9, 4, 7, 1, 4.

A: Considering the scores as population. The population mean is, μ=∑XN=9+4+7+1+45=255=5 Thus, the…

Q: based on the data set below , what is the standard deviation? 25      27      31      33      26…

A: The given data is, 25, 27, 31, 33, 26, 28, 38, 41, 24, 32, 35 and 40. Mean: Thus, the mean is…

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A: The range is the difference between the highest and lowest value of a data set. Range = 57 – 34 = 23…

Q: Calculate the sample standard deviation of the data shown. Round to two 17 22 25 15 19 13 24 sample…

A:

Q: (a) Determine the mean and the standard deviation for each data set.

A:

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A: Given data set is19.41,19.52,19.63,19.84,20.16,20.38

Q: Given that the mean of a set of data is 40 and the standard deviation is 2, what is the coefficient…

A: Given,standard deviation(σ)=2mean(μ)=40

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A: We have given that.   X~N( μ , ?^2 )   μ =120 , ? =12   Z-score =( x - μ )/?

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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A:

Q: Given the data below, find the standard deviation 2,4,4,5,6,9

A: We need to compute the standard deviation of the data given below: 2,4,4,5,6,9

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A:

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A:

Q: Use a calculator to find the standard deviation of this sample data: 128 133 119 158 143 134 101 104…

A: Given: sample data   128 133 119 158 143 134 101 104 182 130

Q: the standard deviation of the data in following distribution: 12 13 14 32 15 21 16 15 17 8 13 20

A:

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A: The standard deviation is a measure of variation or dispersion of a set of values. This means how…

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A: From the given information, we have mean = 11830 Standard deviation = 2370 We have to find the…

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A:

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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: Which average - mean, median, or mode - is associated with the standard deviation?

A:

Q: Of the data sets below, which has standard deviation 0? Set A: 1, 2, 3, 4 Set B: 1, 1,4,7 Set C: 0,…

A: The  Data set D. 6,6,6,6 Σx=24 Σx2=62+62+62+62=144n=4The standard deviation is…

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A: The formula to find sample standard deviation is as follows,  s = ∑ x2-∑x2nn-1

Q: Which data set would give the smallest standard deviation? Select one: O a. 100, 150, 200, 250, 300}…

A: Without using any formula for the standard deviation, we can determine which of them has a smallest…

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Q: The data below are the monthly average high temperatures for November, December, January, and…

A: Given information- We have given the data below are the monthly average high temperatures for…

Q: Find the standard deviation for the following data set. ​2, 2,​ 2, 5,​ 5, 6,​ 6, 8,​ 8, 9   A. 2.49…

A:

Q: Q2/ The number of hours worked by 10 employees of small building firm during a week were: 45 46 34…

A: Given data, 45,46,34,47,44,42,46,42,43,44

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A: Data in order  22, 24, 26, 27, 39, 43, 43, 46, 48, 49 Mode may be defined as the maximum number of…

Q: Thirty-two percent of adult internet users have purchased products or services online. For a random…

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A: 7. Answer: The b) Heights of all elementary school children have the highest standard deviation.

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A: Mean=83 Standard deviation =4 Z score =? For x=88

Q: Assuming that the heights of college women are normally distributed with mean 62 inches and standard…

A: If Xis a normal variate with mean=μ, S.D=σ, then Z=x-μσ is a standard normal variate. That is, If…

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A: The given data is 24131, 27538, 30583, 32216, 33680, 35366, 36319, 36796, 37370, 38187, 38592,…

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A: The following data has been given: 10,7,9,3,8,15,5,5,12

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A: Given : 18,500     23,600      21,210      14,515      20,500 21,700     14,250     18,345…

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A: Mean: The mean value is calculated as follows: The sum of the observations is divided by the number…

Q: Based on the data set below, what is the standard deviation? 28        21        37        38…

A: