What type of test should be used to answer the following: A researcher wants to

Question

What type of test should be used to answer the following: A researcher wants to know if a relationship exists between tar and nicotine in cigarettes. Various brands have the following tar and nicotine amounts respectively:

Brand A 9 and 0.8

Brand B 13 and 1.1

Brand C 16 and 1.2

Brand D 18 and 1.4

Brand E 6 and 0.6

A. Chi - Square Test for independence

B. Difference Between means test, independent samples (2-sample t test)

C. Difference Between proportions test, independent samples (2-prop-z test)

D. Chi - Square Goodness of Fit

E. Means Test using standardized normal distribution (1 sample z-test)

F. Means Test using students t distribution (1 sample t-test)

G. Proportion test (-prop-z-test)

H. Analysis of variance (ANOVA)

I. Correlation and Regression test (lin reg t- test)

Explanation / Answer

"A researcher wants to know if a relationship exists between tar and nicotine in cigarettes."

As he wants a relationship, then he must do

OPTION I: Correlation and Regression test (lin reg t- test) [ANSWER, I]

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