Q3.x239416749981Total23155Here is part of a calculation in a spreadsheet working withpopulation of 4 data items data. Which statement is incorrect?A. Σx 23 & Σx 155B. E(x) = 5.75C. The square of the sum of the x values is 155.D. µ = 5.75O A. AВ. ВО С. СO D. D

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Answered: Q3. x2 3 9 4 16 7 49 9 81 Total 23 155…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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K Disk drives have been getting larger. Their capacity is now often given in terabytes (TB) where 1 TB = 1000 gigabytes, or about a trillion bytes. A survey of prices for external disk drives found the data shown to the right. For this data, we want to predict Price from Capacity. Complete parts a through i below. Click the icon to view the disk drive data and summary statistics. Disk Drive Data and Summary Statistics Capacity (in TB) 0.5 1.0 2.0 3.0 4.0 6.0 8.0 12.0 32.0 x = 7.611 SD(x) = 9.85 r = 0.987 --- Print Price (in $) 58.79 75.79 114.00 105.95 146.45 425.49 594.00 1074.00 4464.49 y = 784.329 SD(y) = 1420.27 Done X A. It indicates the price for a hard drive with no capacity. It is meaningless and should not be interpreted. B. It indicates the additional capacity in TB for each additional dollar of price. It is meaningful in that it could be interpreted as the cost of the parts common to all drives.
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Q3. x2 3 9 4 16 7 49 9 81 Total 23 155 Here is part of a calculation in a spreadsheet working with population of 4 data items data. Which statement is incorrect? A. Σx 23 & Σx 155 B. E(x) = 5.75 C. The square of the sum of the x values is 155. D. µ = 5.75 O A. A В. В О С. С O D. D