Chapter 1 - Introduction to Statistics - 1-2 Statistical and Critical Thinking - Basic Skills and Concepts - Page 12: 13

Not statistically significant, but practically significant.

There is a 30 percent chance of getting such results with a diet, which has no effect. 30 percent is too much to be statistically significant. On the other hand, the difference is large anough in a practical aspect, therefore the average loss of 45 pounds is practically significant.