In which of the following situations would one use an independent ...

[savannahhooper]

In which of the following situations would one use an independent t test?
 
  a. A professor wants to know if one of his two Introduction to Psychology classes scored significantly higher than the other class on the same exam.
   b. A professor wants to know if there was a significant improvement in test scores from Exam 1 to Exam 2 for one of his Introduction to Psychology classes.
   c. An educator wants to know if students spend more time talking on the phone than
   studying during a typical day.
   d. A researcher wishes to learn whether the oldest child in a family does significantly better on standardized tests than the youngest child in the family.

Question 2

Which of the following conditions will result in larger t values?
 
  a. smaller difference between means/smaller within group variance
  b. smaller difference between means/larger within group variance
  c. larger difference between means/larger within group variance
  d. larger difference between means/smaller within group variance

[aidanmbrowne]

Answer to Question 1

a

Answer to Question 2

d

[savannahhooper]

Thank you

[aidanmbrowne]

No problem