Given the bivariate data: X12356 65431 (a) Draw a scatter diagram for the data A - Xy IN² 4 . . -10 " . (2x)² - Ixy () Find a, the slope of the least squares line, and b WebAssign Graphing Tool (6) Draw the least-squares line on the scatter diagram from part (a). Graph Layers After you add an object to the graph you can use Graph Layers to view and edit properties -intercept of the least-squares line. (Round your answers to two decimal places)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Given the bivariate data:
12356
65431
(a) Draw a scatter diagram for the data.
O >
• ²
(b) Find n, x, y, x², (Ex)², and Exy.
n
-
Ex
Xy
(2x)²
-
-
-
4
-10
18
A
-10
*
(c) Find a, the slope of the least-squares line, and b, the y-intercept of the least-squares line. (Round your answers to two decimal places.)
(d) Draw the least-squares line on the scatter diagram from part (a).
WebAssign Graphing Tool
10-
Graph Layers
After you add an object to the graph you
can use Graph Layers to view and edit t
properties
Maple Generated Piot
-10
-10
10
Transcribed Image Text:Given the bivariate data: 12356 65431 (a) Draw a scatter diagram for the data. O > • ² (b) Find n, x, y, x², (Ex)², and Exy. n - Ex Xy (2x)² - - - 4 -10 18 A -10 * (c) Find a, the slope of the least-squares line, and b, the y-intercept of the least-squares line. (Round your answers to two decimal places.) (d) Draw the least-squares line on the scatter diagram from part (a). WebAssign Graphing Tool 10- Graph Layers After you add an object to the graph you can use Graph Layers to view and edit t properties Maple Generated Piot -10 -10 10
O
-10-
-10-
(e) Is the point (x, y) on the least-squares line?
Ⓒ Yes
O No
X
10
-10
(9) Find, to the nearest hundredth, the linear correlation coefficient.
10-
-10-
(f) Use the equation of the least-squares line to predict the value of y when x 2.9. (Round your answer to two decimal places.)
10
Maple Generated Plot
Transcribed Image Text:O -10- -10- (e) Is the point (x, y) on the least-squares line? Ⓒ Yes O No X 10 -10 (9) Find, to the nearest hundredth, the linear correlation coefficient. 10- -10- (f) Use the equation of the least-squares line to predict the value of y when x 2.9. (Round your answer to two decimal places.) 10 Maple Generated Plot
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