What statistical test would you use to simultaneously test the ...

[awywial]

What statistical test would you use to simultaneously test the difference between temperatures of four groups of subjects?
 
  a. ANOVA
  b. Chi-square
  c. t-test for dependent samples
  d. t-test for independent samples

Question 2

What statistical test would you use to test the difference in heart rate response to exercise between a group of cardiac patients involved in a formal cardiac rehabilitation program and another group exercising at home?
 
  a. Central tendency
  b. Chi-square
  c. Pearson product moment correlation
  d. t-test

[dpost18]

Answer to Question 1

ANS: A
Analysis of variance is used to test for difference between means and can examine data from two or more groups simultaneously.
Chi-square determines whether two variables are independent or related.
t-tests should not be used for multiple groups simultaneously.
t-tests should not be used for multiple groups simultaneously.

Answer to Question 2

ANS: D
The t-test is used to determine if there is a significant difference between groups with data measured at the interval or ratio level.
There are several measures of central tendency; none of them would be used to find a significant difference between groups.
Chi-square determines whether two variables are independent or related.
Pearson product moment correlation is a parametric test used to determine relationships among variables.