Which two features were the most significant when distinguishing between male and female fingerprints?

Read this article of “Fingerprint-Based Gender Classification” and answer the following questions.
Read “Fingerprint-Based Gender Classification.” Have a copy of this article available as you answer the questions.
Article Link-
https://www.researchgate.net/publication/220809166_Fingerprint-Based_Gender_Classi
fication
QUESTION
1. What question were the researchers trying to answer?
2. What five fingerprint features were the researchers hoping to use to answer this question?
3. Which three statistical tests did the researchers use on the fingerprint features?
4. Complete the following statements about the background information provided by
the researchers.
Females have a __ ridge density than males.
Males have a ___ridge breadth than females.
Males have a ___ ridge count than females.
Female fingerprints are of a __ quality than male fingerprints.
5. In your own words, define white lines as it relates to fingerprints.
6. Which specific population is known to have many white lines and scars in their
fingerprints?
7. Offer a possible explanation for your answer in Question 6.
8. How many test subjects were used for the analysis of ridge count and pattern
type features?
9. How many test subjects were used for the analysis of ridge thickness valley thickness ratio and white line features?
10. Which two fingerprint patterns were found to be the most common in both males and females?
11. Which two features were the most significant when distinguishing between male and female fingerprints?