While reading about a research study, which of the following would tell you that an association claim is being made? a. The presence of a scatterplot or bar graph b. The measurement of two variables c. The use of a correlation coefficient d. The interrogation of internal validity The answer is B. Could you explain why the answer is B?

While reading about a research study, which of the following would tell you that an association claim is being made? a. The presence of a scatterplot or bar graph b. The measurement of two variables c. The use of a correlation coefficient d. The interrogation of internal validity The answer is B. Could you explain why the answer is B?

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

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While reading about a research study, which of the following would tell you that an association claim is being
made?

a. The presence of a scatterplot or bar graph

b. The measurement of two variables

c. The use of a correlation coefficient

d. The interrogation of internal validity

The answer is B. Could you explain why the answer is B?

Definition Definition Statistical measure used to assess the strength and direction of relationships between two variables. Correlation coefficients range between -1 and 1. A coefficient value of 0 indicates that there is no relationship between the variables, whereas a -1 or 1 indicates that there is a perfect negative or positive correlation.

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