A study undertaken to determine whether sugar-free drinks reduced tooth decay in adolescents gave a probability of .0015 associated with the correlation coefficient. What can be deduced about this result?
A) The hypothesis is true.
B) The result is not significant.
C) There is a 0.15% that the result is due to sampling error and so the null hypothesis is true.
D) There is a 0.15% chance that the result is correct.

Question

Quizplus · Accepted Answer

The probability of 0.0015 indicates that there is a 0.15% chance that the observed correlation is due to sampling error, suggesting that the null hypothesis (no effect) is unlikely to be true.

A Study Undertaken to Determine Whether Sugar-Free Drinks Reduced Tooth