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Author Question: When we say that a correlation coefficient is statistically significant, we mean that a. we have ... (Read 25 times)

Jkov05

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on: Jun 20, 2018
When we say that a correlation coefficient is statistically significant, we mean that
 
  a. we have reason to believe that it reflects an important relationship between variables.
  b. we have reason to believe that the relationship is positive.
  c. we have reason to believe that the true correlation in the population is not 0.0.
  d. we have strong support for a causal statement about the relationship.

Question 2

Which of the following is NOT a reason to explain why infant mortality increased with the number of physicians?
 
  a. More physicians would lead to greater rates of reporting infant deaths.
  b. Physicians go where the problems are.
  c. Both variables are under the control of some third variable.
  d. All of these answers are possible.


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laurnthompson

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Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

D


Jkov05

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Reply 2 on: Jun 20, 2018
Gracias!

gcook

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Reply 3 on: Yesterday
Wow, this really help

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