The average square footage of a U.S. single family home is 2750 square feet with a standard deviation of 85 square feet. Consider a random sample of 550 homes. Use Chebyshev's Rule to address the following questions . Round solutions to the nearest whole number, if necessary. At least how many of the sample homes have square footage between 2155 and 3345 square feet? homes At least what percentage of the sample homes have square footage between 2580 and 2920 square feet?

Q: Consider the following 10 exam scores: 28, 57, 58, 64, 69, 74, 79, 80, 83, and 85 Find the…

A: According to the provided information, the exam score is as follows: 28, 57, 58, 64, 69, 74, 79, 80,…

Q: What

A: Explanation and solutions is given below....

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A: We have given that Mean(µ) = 221.1Standard deviations (σ) = 2X ~ N (µ, σ )= N(221.1, 2)

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

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Q: 8. Use any method to calculate the sample mean, median, and standard deviation of the following…

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

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A: Given data 2, 5, 9, 11, 13 Mean,  x = ∑i xin= 2+5+9+11+135 = 8 xi (xi-x¯) (xi-x¯)2 2 -6 36 5…

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A: Given data, 12, 15, 16, 20, 20, 27 Sort the data in ascending order. 12,15,16,20,20,27

Q: Find the variance of the following sample data: 11, 13, 14, 15 and 21 (Write the answer up to 1…

A: Given that  11,13,14,15,21 To find the variance

Q: The average new car price is $35250 with a standard deviation of $1900. Consider a random sample of…

A: Here, µ = 35,250, σ = 1900, and n = 700.

Q: These are the heart rates of diabetic patients from a hospital: 81, 104, 116, 120, 111, 81, 116,…

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Q: note population with a Normal distribution has an average of 50 and a variance of 100. How many…

A:

Q: give the sample standard deviation of this data set: 20, 25, 35, 40

A: Sample Standard deviation:   If the standard deviation is calculated for sample then it is called as…

Q: Coefficient of skewness b. Mean c. Median d. Standard deviation

A: Provided data is: 132, 144, 127, 152, 101 and 165. Arranging data in ascending order; 101, 127, 132,…

Q: Calculate the standard deviation for the following sample of 4 observations. Individual Income 1. 62…

A: Below is the answer

Q: Following are closing prices of Google stock for a sample of trading days. Use the 1- Var Stats…

A: I will use the "1-Var stats" command in the TI-84 calculator. Follow the snapshots given below.…

Q: 3. Compute for the following, given these data: 132, 144, 127, 152, 101, and 165. a. Coefficient of…

A: Provided data is:132, 144, 127, 152, 101 and 165.Arranging data in ascending order; 101, 127, 132,…

Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10kg.…

A:

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Q: Given the sample data 85 85 85 85 85 85 85. Find the variance and the standard deviation of the…

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A: Data given  114, 116, 118, 120, 122, 124, 126, 128, 130, 130, 134, 146

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Q: Use a formula to find the standard deviation of the sample 1, 4, 5, 6.

A: We have given that,  The data set of the sample is,  1, 4, 5, 6 Then,  We will find the standard…

Q: For the following population, answer the following: Remember you can copy and "paste special" the…

A: Given, 9, 88, 62, 64, 14, 20, 63, 73, 16, 92, 87, 68, 74, 52, 11

Q: There are four brothers in a family.  Their ages are 7 years,10 years,15 years, and 21 years.…

A: x x2 7 49 10 100 15 225 201 441 ∑x = 53 ∑x2 = 815 n = 4

Q: Calculate the standard deviation of the following data set:- 23 54 32 46 18

A:

Q: The percent fo Coloradans that own a Subaru is 56%. If you were to take a random sample of size 70,…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

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A: From the provided information, Mean (µ) = 4639 Standard deviation (σ) = 437 Sample size (n) = 32

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A: In this context, it is clear that an insurance company randomly selects the age of the driver around…

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A:

Q: Of the 200 American film enthusiasts, the average age is: 30 years, while the standard deviation is…

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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…

Q: - Calculate the Quartile Deviation (Q.D) and coefficient of Q.D. for the data below: ( 230 , 620 ,…

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Q: About 13% of the population has blue eyes. 1700 people are randomly selected. a. Find the mean…

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A: Given, Mean weight of cantaloupes is 700 gm. Standard deviation is 53 gm

Q: Find the standard deviation of the following data : 49,63,46,58,52,60,54

A: Let X  be the random variable denoting the data values.  Then we have S.No.     X   (X - μ)…

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A: Formulae : where , x is midpoint of class Midpoint = ( lower limit + upper limit)/2 f is frequency…

Q: The average square footage of a U.S. single-family home is 2000 square feet with a standard…

A: Mean(µ) = 201Standard deviations (σ) = 22 Number of samples (n) = 475

Q: he left, to the right, between or left and right of the z-score. Sketch the region corresponding to…

A: Let Z be the random variable from normal distribution.

Q: If the mean speed for a major league fast ball is 90 miles per hour and the standard deviation is 5…

A: Given Information: Mean = 90  Standard deviation = 5 Standardized score for a pitch that is 97 miles…