Year 1 2 3 4 5 Returns X 11% 15 10 -13 10 Y 23% 26 11 -14 16 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Note: Do not round intermediate calculations. Enter the average returns and standard deviations as a percent rounded to 2 decimal places, e.g., 32.16, and round the variances to 5 decimal places, e.g., .32161. Average returns Variances Standard deviations X % % Y % %

Q: Consider the following data: x 4 5 6 7 8 P(X = x) 0.2 0.2 0.1 0.2 0.3 Step 2 of 5: Find the…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: A population of grades for a statistics class of six students is given below:   80 74 65 84 85 70…

A: From the provided information, The population data is as follow: 80, 74, 65, 84, 85, 70

Q: Perform each task, given the following sample data. (Round your answers to one decimal place.) 2  6…

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Q: Part A: find the range part b: find the variance and standard deviation part c: use the range rule…

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Q: Use the above data to prepare a frequency distribution table with 8 classes. Find the measures of…

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Q: Determine the variance for the table (in your calculation, use the final result from the revious…

A: xp(x)00.1510.2020.3530.2540.05Find out the variance for the given data.

Q: A population of grades for a statistics class of six students is given below: 90 65 70 85 86 70 Find…

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Q: Calculating returns and variability: using the following returns, calculate the arithmetic average…

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Q: Find the variance of the following data. Round your answer to one decimal place.

A: Our aim is to find the variance.

Q: Consider the following data: x 5 6 7 8 9 P( X = x) 0.1 0.2 0.3 0.2 0.2 Step 2 of 5 : Find the…

A:

Q: Consider the following data: x 44 55 66 77 88 P(X=x)P(X=x) 0.30.3 0.20.2 0.20.2 0.10.1 0.20.2 Copy…

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Q: In analysis of variance, the F-ratio is a ratio of   a. Two mean squares   b. Two or more sample…

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A: The mean,  variance and standard deviation can be obtained as given below: Using EXCEL software:

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A: Solution

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A: Data  5,-7, 2,0,-9,16,10,7 Range=max-min

Q: What is the variance using this equation, with the following data: 76, 88, 67, 80, 44, 65, 50, 98,…

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Q: Perform each task, given the following sample data. (Round your answers to one decimal place.) 5…

A:

Q: A researcher wishes to test if the variance of scores on a particular exam is the same for college…

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Q: If the correlation coefficient for X and Y is calculated to be –.75, what is the proportion of…

A: Coefficient of determination:It also referred as R-square. The coefficient of determination is the…

Q: The following table compares the completion percentage and interception percentage of 55 NFL…

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A:

Q: Consider the following data x -4,-3,-2,-1,0 P(X=x) 0.3,0.1,0.2,0.1,0.3 Find the variance. Round your…

A:

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A: From the provided information, The data values are as follow: 1, 6, 3, 2, 3, 1, 2, 5, 2, 1

Q: Dro 9. ed below are the amounts (dollars) it costs for marriage proposal packages at different…

A: The range is calculated below. The number of observations, n=15. The mean is calculated below.

Q: Perform each task, given the following sample data. (Round your answers to one decimal place.) 6 11…

A: