The following graph resulted when a researcher plotted the paired scores from two sets of data: Which of the following conclusions is justified from an examination of the graph?
a. The coefficient of correlation is close to .50.
b. The correlation between X and Y is negative and low.
c. The correlation between X and Y is positive and high.
d. A Spearman rho coefficient of correlation is appropriate for these data.
e. A Pearson's coefficient of correlation is not appropriate for these data.
Question 2
If a relationship between two variables is spurious, we conclude that it is
a. nearly always a cause and effect relationship.
b. partially regressed.
c. accounted for by another extraneous variable
d. not a statistically significant relationship.
e.
The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger
Dimensions for gathering data
Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ...
Iowa Gambling Task Scores Across Age
How to find the possible equations of a graph?
Find a quadractic equation that models the data in standard form