Question 1: Students in a college statistics class wanted to find out how common it is for young adults to have their ears pierced. They recorded data on two variables?gender and whether the student had a pierced ear?for all 178 people in the class.

Gender Pierced Ears Male Female Total Yes 19 84 103 No 71 4 75 Total 90 B8 1780.78 Wins point Makes first-serve 0.63 0.22 Doesn't win point 0.37 0.57 Wins point Misses first-serve 0.43 Doesn't win pointGender Dominant Hand Male Female Total Right 39 51 90 Left 7 3 10 Total 46 54 100Visits video-sharing 0,7 sites 18 to 29 0.3 Doesn't Visit video-sharing sites 027 Visits video-sharing 0.51 sites 0.45 30 to 49 0.49 Doesn't Visit video-sharing sites 028 Visits video-sharing 0.26 sites 50+ 0.74 Doesn't Visit video-sharing sites