because there is % chance of getting that many babies born female if the method had no effect, the method does not have statistical significance. not many most not many couples would likely use a procedure that raises the likelihood of a baby born female from the approximately 50% rate expected by chance to the 51% produced by this method. (round to the nearest integer as needed.) so, this method has practical significance. does not have practical significance. has practical significance. has statistical significance. should be used to make conclusions.
