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Science-Related Homework Help Developmental Psychology Topic started by: srbarrett98 on Mar 13, 2018



Title: The following graph resulted when a researcher plotted the paired scores from two sets of data: ...
Post by: srbarrett98 on Mar 13, 2018
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.

Ques. 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.

Ques. 3

Research has shown that high school students' scores on the SAT correlate .40 with college freshman grades. Assuming that only half of the students who took the SAT were admitted to a given college, what would you estimate the correlation to be between their SAT scores and freshman grades?
 
  a. Negative and lower than .40 c. Positive and higher than .40
  b. Negative and higher than .40 d. Positive and lower than .40


Title: The following graph resulted when a researcher plotted the paired scores from two sets of data: ...
Post by: woodstock24 on Mar 13, 2018
Answer to #1

E

Answer to #2

C

Answer to #3

D


Title: The following graph resulted when a researcher plotted the paired scores from two sets of data: ...
Post by: srbarrett98 on Mar 13, 2018
I wish all teachers could be as helpful as you instead of making us do things the complicated way...


Title: The following graph resulted when a researcher plotted the paired scores from two sets of data: ...
Post by: woodstock24 on Mar 13, 2018
It really depends on the course, never give up