What does February 2020’s actual warehouse club sales value tell us about the strength of this model to extend past the ten years covered in the scatterplot? Mean seasonal sales (in milli5000045000400003500030000250002000015000100005000Grocery Stores vs. Warehouse Clubs Salesy= 1,170x + 30,630cc = 0.98soft Notesy=2090x + 6740Cc - 0.99GroceryWarehouse Club48Years since 1998Source: http://www.economagic.com/cenret.htm.0.41012

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What does February 2020’s actual warehouse club sales value tell us about the strength of this model to extend past the ten years covered in the scatterplot?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 31PPS

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Question

What does February 2020’s actual warehouse club sales value tell us about the strength of this model to extend past the ten years covered in the scatterplot?

Mean seasonal sales (in milli
50000
45000
40000
35000
30000
25000
20000
15000
10000
5000
Grocery Stores vs. Warehouse Clubs Sales
y= 1,170x + 30,630
cc = 0.98
soft Notes
y=2090x + 6740
Cc - 0.99
Grocery
Warehouse Club
4
8
Years since 1998
Source: http://www.economagic.com/cenret.htm.
0.4
10
12

Definition Definition Representation of the direction and degree of correlation in graphical form. The grouping of points that are plotted makes it a scatter diagram. A line can be drawn showing the relationship based on the direction of points and their distance from each other.

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