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Disk drives have been getting larger. Their capacity is now often given in terabytes (TB) where TB = 1000 gigabytes, or about a trillion bytes. A survey of prices for external disk drives found shown to the right. For this data, we want to predict Price from Capacity. Complete parts a thr below. Click the icon to view the disk drive data and summary statistics.

Disk drives have been getting larger. Their capacity is now often given in terabytes (TB) where TB = 1000 gigabytes, or about a trillion bytes. A survey of prices for external disk drives found shown to the right. For this data, we want to predict Price from Capacity. Complete parts a thr below. Click the icon to view the disk drive data and summary statistics.

MATLAB: An Introduction with Applications
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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can you help find b1 and b0
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 e below. Click the icon to view the disk drive data and summary statistics. ea) Find the slope estimate, b₁. b₁ = (Round to two decimal places as needed.) b) What does the slope mean, in this context? 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= 0.988 Print Price (in $) 55.95 76.99 111.99 115.00 148.55 425.00 598.95 1077.99 4464.45 y = 786.097 SD(Y) = 1419.86 Done X as the cost of e. ngful in that it ngless and meaningful in buld not be
Transcribed Image Text: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 e below. Click the icon to view the disk drive data and summary statistics. ea) Find the slope estimate, b₁. b₁ = (Round to two decimal places as needed.) b) What does the slope mean, in this context? 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= 0.988 Print Price (in $) 55.95 76.99 111.99 115.00 148.55 425.00 598.95 1077.99 4464.45 y = 786.097 SD(Y) = 1419.86 Done X as the cost of e. ngful in that it ngless and meaningful in buld not be
e. & 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= 0.988 Print Price (in $) 55.95 76.99 111.99 115.00 148.55 425.00 598.95 1077.99 4464.45 y = 786.097 SD(y) = 1419.86 Done - c) Find the intercept, bo- bo= (Round to two decimal places as needed.) d) What does the intercept mean, in this context? Is it meaningful? X as D. It indicates the additional price in dollars for each additional TB of capacity. OE. It indicates the additional capacity in gigabytes for each additional dollar of price. OA. It indicates the capacity for a hard drive that does not cost anything. It is meaningfu could be interpreted as the minimum capacity for all drives. OB It indicates the capacity for a hard drive that does not cost anything. It is meaningle
Transcribed Image Text:e. & 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= 0.988 Print Price (in $) 55.95 76.99 111.99 115.00 148.55 425.00 598.95 1077.99 4464.45 y = 786.097 SD(y) = 1419.86 Done - c) Find the intercept, bo- bo= (Round to two decimal places as needed.) d) What does the intercept mean, in this context? Is it meaningful? X as D. It indicates the additional price in dollars for each additional TB of capacity. OE. It indicates the additional capacity in gigabytes for each additional dollar of price. OA. It indicates the capacity for a hard drive that does not cost anything. It is meaningfu could be interpreted as the minimum capacity for all drives. OB It indicates the capacity for a hard drive that does not cost anything. It is meaningle
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