Question

In a study of a gender selection method used to increase the likelihood of a baby being born a​ girl, 2086 users of the method gave birth to 1019 boys and 1067 girls. There is about a 15​% chance of getting that many girls if the method had no effect.

Because there is a 15% chance of getting that many girls by chance, the method( )

A, has statistical significance
B, has parctical significance
C, does not have statistical significane
D, does not have parctical significance

Answer 1

C : does not have statistical significance

Explanation:

Because there is a 15% chance of getting that many girls by chance, the method - does not have statistical significance.

By this method, the percentage of girls =
`1067/2086=0.5115` or 51.15%

This type of method does not have practical significance.