Disk drives 2016 again Recall the data on disk drives we saw in Chapter 6, Exercise 4. Suppose we want to predict Price from Capacity.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section11.4: Two-ways Tables
Problem 19E
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Disk drives 2016 again Recall the data on disk drives we saw
in Chapter 6, Exercise 4. Suppose we want to predict Price
from Capacity.
Capacity (in TB)
Price (in $)
0.50
59.99
1.0
79.99
2.0
111.97
3.0
109.99
149.99
423.34
596.11
1079.99
4461.00
4.0
6.0
8.0
12.0
32.0
X = 7.6111
y = 785.819
SD(x) =
SD(y) = 1418.67
r=D 0.9876
a) Find the slope estimate, b.
b) What does it mean, in this context?
c) Find the intercept. bo.
d) What does it mean, in this context? Is it meaningful?
Transcribed Image Text:Disk drives 2016 again Recall the data on disk drives we saw in Chapter 6, Exercise 4. Suppose we want to predict Price from Capacity. Capacity (in TB) Price (in $) 0.50 59.99 1.0 79.99 2.0 111.97 3.0 109.99 149.99 423.34 596.11 1079.99 4461.00 4.0 6.0 8.0 12.0 32.0 X = 7.6111 y = 785.819 SD(x) = SD(y) = 1418.67 r=D 0.9876 a) Find the slope estimate, b. b) What does it mean, in this context? c) Find the intercept. bo. d) What does it mean, in this context? Is it meaningful?
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