An important first step to visualize the relationship of two interval level variables is to:
A) calculate a correlation coefficient.
B) look at a scatter plot.
C) do a test of significance.
D) calculate the variance of the independent variable.
Correct Answer:
Verified
Q2: The strength of a correlation is indicated
Q3: Choose the weakest correlation:
A)-.28
B)-.76
C)+.66
D)+.1 2
Q4: If the variable Crime increases as the
Q5: A strong straight-line correlation between variables X
Q6: If the variable Tasty remains constant as
Q8: Choose the strongest correlation:
A)-.28
B)-.76
C)+.66
D)+.1 2
Q9: If a correlation between variables A and
Q10: If TV viewing initially decreases with age,
Q11: The strength of the correlation is indicated
Q12: The correlation coefficient:
A)presents the strength of the
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