Week 4 Exercises-Measures of Central Tendencies and Variations1. Find a. Range b.. Mean absolute deviation (MAD) c. Sample standard deviation andd. Variance from the ff: random nos. 8, 9, 5, 6, 11,3,22. Find a. Range b.. Mean absolute deviation (MAD) c. Sample standard deviation andd. Variance from the ff;c.i.5-910-1415-1920-2425-2930-3435-3940-443. From data of prob. no. 2 above:f48376234a. What is the degree of skewness?b. What is the coefficient of variation?c. How would describe the distributions?

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Problem 1P

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Researchers looked at the average number of hours of sleep per day in a group of 8 college professors. Calculate the range, standard deviaion, and variance, for the dataset below. X = {6, 6, 5, 7, 5, 4, 8, 5} a. range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.64 b. range = 5 standard deviation (sample) = 5 variance (sample) = 5.5 c. range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.28 d. range = 4 standard deviation (sample) = 1.64 variance (sample) = 1.28
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Consider the following data: −10, −10, 0, 3, −10, 3, 3 Step 1 of 3: Calculate the value of the sample Variance. Round your answer to one decimal place. Step 2 of 3: Calculate the value of the sample deviation. Round your answer to one decimal place. Step 3 of 3: Calculate the value of the range.

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1. Find a. Range b.. Mean absolute deviation (MAD) c. Sample standard deviation and d. Variance from the ff: random nos. 8, 9, 5, 6, 11,3,2