Which of the following questions about sample data could be answered using a one sample t test?
A) Is the net effect of birth order on IQ significant after controlling for parental social class?
B) Is the average IQ of persons who graduated from college significantly higher than 100?
C) Is there a significant negative correlation between birth order and IQ?
D) Is there a significant difference in average IQ between Catholics, Protestants, and Jews?

Question

Quizplus · Accepted Answer

A one sample t test is used to compare the mean of a sample to a known population mean or a hypothesized value. In this case, we are testing whether the average IQ of a sample is significantly different from the hypothesized value of 100. This question can be answered with a one sample t test. The other options either involve testing for differences between groups or examining correlations, which would require different types of statistical tests.

Which of the Following Questions About Sample Data Could Be