You are given the following two series on income and credit scores. Income FICO 39 625 27 600 57 710 31 595 34 610 50 840 38 726 62 710 43 635 49 560 (A) Find the covariance and the correlation coefficient. (B) Do credit scores increase, decrease, stay the same, with Income? (C) Create a scatter plot with Income and credit score. What do you see?

You are given the following two series on income and credit scores. Income FICO 39 625 27 600 57 710 31 595 34 610 50 840 38 726 62 710 43 635 49 560 (A) Find the covariance and the correlation coefficient. (B) Do credit scores increase, decrease, stay the same, with Income? (C) Create a scatter plot with Income and credit score. What do you see?

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 23PFA

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Question

You are given the following two series on income and credit scores.

Income	FICO
39	625
27	600
57	710
31	595
34	610
50	840
38	726
62	710
43	635
49	560

(A) Find the covariance and the correlation coefficient.
(B) Do credit scores increase, decrease, stay the same, with Income?
(C) Create a scatter plot with Income and credit score. What do you see?

**Calculations can be shown by hand, in Excel, or in Word. Please show calcuations/steps**

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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