Multiple Choice
One important reason for displaying correlational data in a scatterplot prior to computing a correlation coefficient is to determine whether
A) the means for the two variables are the same.
B) the relationship between the variables is nonlinear.
C) the x- and y-axis for each variable has appropriate endpoints.
D) the causal variable is graphed on the x-axis.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: In general,the estimated standard error of the
Q3: Having calculated a 95% confidence interval for
Q4: The standard deviation is equal to the
Q5: A researcher finds a correlation of +.90
Q6: To find the value of t critical
Q8: The middle point of a distribution is
Q9: The _ is the best measure of
Q10: The "margin of error" typically reported for
Q11: When calculating Cohen's d as a measure
Q18: As the degree of linear relationship between